diff --git a/rotanconv30.ps1 b/rotanconv30.ps1
deleted file mode 100755
index f213c71..0000000
--- a/rotanconv30.ps1
+++ /dev/null
@@ -1,475 +0,0 @@
-[CmdletBinding()]
-
-Param(
-)
-
-$signature = @"
-[DllImport("user32.dll")]
-public static extern bool SystemParametersInfo(int uAction, int uParam, ref int lpvParam, int flags );
-"@
-
-$systemParamInfo = Add-Type -memberDefinition  $signature -Name ScreenSaver -passThru
-
-Add-Type @"
-using System;
-using System.Runtime.InteropServices;
-using Microsoft.Win32;
-
-namespace Wallpaper
-{
-   public enum Style : int
-   {
-       Tile, Center, Stretch, NoChange
-   }
-   public class Setter {
-      public const int SetDesktopWallpaper = 20;
-      public const int UpdateIniFile = 0x01;
-      public const int SendWinIniChange = 0x02;
-      [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
-      private static extern int SystemParametersInfo (int uAction, int uParam, string lpvParam, int fuWinIni);
-            
-      public static void SetWallpaper (string path) {
-        SystemParametersInfo(SetDesktopWallpaper, 0, path, UpdateIniFile | SendWinIniChange);
-      }
-   }
-}
-"@
-
-function goget {
-	Param(
-		[Parameter(Mandatory=$True,Position=1)]
-		[string]$strurl,
-  
-		[Parameter(Mandatory=$False,Position=2)]
-		[string]$isdata
-	)
-	Write-Verbose "Load target website $strurl"
-	$proxy = [System.Net.WebRequest]::GetSystemWebProxy()
-	$wc = New-Object Net.WebClient
-	$wc.proxy = $proxy
-	$wc.Headers.Add("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8")
-	$wc.Headers.Add("User-Agent", "Mozilla/4.0+(compatible;+MSIE+8.0;+Windows+NT+5.1)")
-	$wc.UseDefaultCredentials = $true
-	$wc.proxy.Credentials = $wc.Credentials
-
-	$contents = ""
-	$count = 1
-	Do {
-		if($isdata.contains("yes")) {
-			[BYTE[]] $contents = $wc.DownloadData($strurl)
-		} else {
-			try {
-				$contents = $wc.DownloadString($strurl)
-			} catch [Exception] {
-				Write-Verbose "There appears to be no internet connection."
-			}
-		}
-		# a network connection may not be available yet. Sleep for 7 seconds.
-		if($contents.length -eq 0) {
-			$count = $count + 1
-			Write-Verbose "Target website returned zero length."
-			Write-Verbose "Retry in 7 seconds."	
-			sleep -seconds 7
-		}
-	} while($contents.length -eq 0 -and $count -lt 100)
-	
-	$wc.Dispose()
-
-	if($contents.length -eq 0) {
-		Write-Verbose "Target website returned zero length."
-		Write-Verbose "Exit."
-		Exit 1
-	} else {
-		return $contents
-	}
-}
-
-function cutidx {
-	Param(
-		[Parameter(Mandatory=$True,Position=1)]
-		[string]$strtocut, 
-		
-		[Parameter(Mandatory=$True,Position=2)]
-		[string]$stridx 
-	)
-	$dc = $strtocut.indexof($stridx)
-	if($dc -ge 0) {
-		$strtocut = $strtocut.substring($dc)
-	}
-	return $strtocut
-}
-
-function getttl {
-	Param(
-		[Parameter(Mandatory=$True,Position=1)]
-		[string]$contents, 
-		
-		[Parameter(Mandatory=$True,Position=2)]
-		[string]$marker 
-	)
-	$contents = cutidx $contents $marker
-	$e = $contents.substring($marker.Length).indexof("""")
-	$Title = $contents.substring(($marker.Length),$e)
-	return $Title
-}
-
-function procstr {
-	Param(
-		[Parameter(Mandatory=$True,Position=1)]
-		[string]$strtoproc 
-	)
-	$strtoproc = $strtoproc -replace ";" , ""
-	$strtoproc = $strtoproc -replace "|" , ""
-	$strtoproc = $strtoproc -replace """" , ""
-	$strtoproc = $strtoproc -replace "\\/" , "/"
-	$strtoproc = $strtoproc -replace "'", ""
-	$strtoproc = $strtoproc.trim()
-	return $strtoproc
-}
-
-function proctitle {
-	Param(
-		[Parameter(Mandatory=$True,Position=1)]
-		[string]$strtoproc 
-	)
-	$strtoproc = $strtoproc -replace "&" , "&"
-	$strtoproc = $strtoproc -replace """ , [char]34
-	$strtoproc = $strtoproc -replace "&lt;" , "<"
-	$strtoproc = $strtoproc -replace "&gt;" , ">"
-	$strtoproc = $strtoproc -replace "&gt;" , ">"
-	$strtoproc = $strtoproc -replace "&tilde;" , "˜"
-	$strtoproc = $strtoproc -replace "&circ;" , "^"
-	$strtoproc = $strtoproc -replace "&ndash;" , "–"
-	$strtoproc = $strtoproc -replace "&mdash;" , "—"
-	$strtoproc = $strtoproc -replace "&permil;" , "‰"
-	$strtoproc = $strtoproc -replace "|" , ""
-	$strtoproc = $strtoproc.trim()
-	return $strtoproc
-}
-
-function resizeimg {
-	Param(
-		[Parameter(Mandatory=$True,Position=1)]
-		[string]$rwidth, 
-		
-		[Parameter(Mandatory=$True,Position=2)]
-		[string]$rheight,
-		
-		[Parameter(Mandatory=$True,Position=3)]
-		[System.Drawing.Bitmap]$bmpFile
-	)
-	$target_height = [double] $rheight
-	$target_width = [double] $rwidth
-	# keep aspect ratio
-	if($bmpFile.Width/$bmpFile.Height -gt $target_width/$target_height) {
-		$target_height=$target_width*$bmpFile.Height/$bmpFile.Width
-		$rheight = [string] $target_height
-	}
-	if($bmpFile.Width/$bmpFile.Height -lt $target_width/$target_height) {
-		$target_width=$target_height*$bmpFile.Width/$bmpFile.Height
-		$rwidth = [string] $target_width
-	}
-	# create resized bitmap
-	$bmpResized = New-Object System.Drawing.Bitmap([int] ($rwidth), [int] ($rheight))
-	$graph = [System.Drawing.Graphics]::FromImage($bmpResized)
-	$graph.Clear([System.Drawing.Color]::White)
-	$graph.DrawImage($bmpFile,0, 0, $rwidth, $rheight)
-	return $bmpResized
-}
-
-function Parse-IniFile ($file) {
-  $ini = @{}
-
- # Create a default section if none exist in the file. Like a java prop file.
- $section = "NO_SECTION"
- $ini[$section] = @{}
-
-  switch -regex -file $file {
-    "^\[(.+)\]$" {
-      $section = $matches[1].Trim()
-      $ini[$section] = @{}
-    }
-    "^\s*([^#].+?)\s*=\s*(.*)" {
-      $name,$value = $matches[1..2]
-      # skip comments that start with semicolon:
-      if (!($name.StartsWith(";"))) {
-        $ini[$section][$name] = $value.Trim()
-      }
-    }
-  }
-  $ini
-}
-
-function initbang {
-	# stretch and refresh at startup
-	$path = [IO.Path]::GetFullPath("bingimagean.bmp")
-	$registryPath = "HKCU:\Control Panel\Desktop"
-	if((Test-Path $path) -and (Test-Path $registryPath)) {
-		
-		Write-Verbose "Load System.Drawing on init."
-		[Reflection.Assembly]::LoadWithPartialName("System.Drawing") | Out-Null
-		[Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms") | Out-Null
-		$srcImg = [System.Drawing.Bitmap][System.Drawing.Image]::FromFile($path)
-		
-		# Resize image if necessary
-		$CurrentRes = (gwmi Win32_VideoController).VideoModeDescription;
-		if($CurrentRes.GetType().IsArray) {
-			$CurrentRes = [String] $CurrentRes
-		}
-		$CurrentRes_split = $CurrentRes.Split("x")
-		$rwidth=$CurrentRes_split[0]
-		$rwidth=$rwidth.trim()
-		$rheight=$CurrentRes_split[1]
-		$rheight=$rheight.trim()
-		
-		Write-Verbose "Resize image on init."
-		$srcOutImg = resizeimg $rwidth $rheight $srcImg
-		if($srcImg.Wdith -ne $srcOutImg.Wdith -or $srcImg.Height -ne $srcOutImg.Height) { 
-			$srcImg.Dispose()
-			Write-Verbose "Create a bitmap object on init."
-			$bmpFile = New-Object System.Drawing.Bitmap(([int]($srcOutImg.width)),([int]($srcOutImg.height)))
-			Write-Verbose "Intialize graphics object on init."
-			$Image = [System.Drawing.Graphics]::FromImage($bmpFile)
-			$Image.SmoothingMode = "AntiAlias"
-			$Rectangle = New-Object Drawing.Rectangle 0, 0, $srcOutImg.Width, $srcOutImg.Height
-			$Image.DrawImage($srcOutImg, $Rectangle, 0, 0, $srcOutImg.Width, $srcOutImg.Height, ([Drawing.GraphicsUnit]::Pixel))
-			$bmpFile.save($path, [System.Drawing.Imaging.ImageFormat]::Bmp)
-			$bmpFile.Dispose()
-		}
-		$srcImg.Dispose()
-		$srcOutImg.Dispose()
-		
-		Write-Verbose "stretch and refresh"
-		$nm = "WallpaperStyle"
-		$value = "0"
-		New-ItemProperty -Path $registryPath -Name $nm -Value $value -PropertyType STRING -Force | Out-Null
-		$nm = "TileWallpaper"
-		$value = "0"
-		New-ItemProperty -Path $registryPath -Name $nm -Value $value -PropertyType STRING -Force | Out-Null
-		
-		Write-Verbose "Refresh explorer."
-		[Wallpaper.Setter]::SetWallpaper($path)		
-		Write-Verbose "Done with stretch and refresh"
-	}
-}
-
-function loadandset {
-	if (Test-Path ".\bang.ini") {
-		$ini = Parse-IniFile ".\bang.ini"
-		$hostinfo = $ini["defaults"]["hostinfo"]
-		$dwnldsrc = $ini["defaults"]["source"]
-	}
-	
-	if ($dwnldsrc -eq "heise") {
-		$contents = goget "http://www.heise.de/foto/galerie/"
-	} else {
-		$contents = goget "http://www.bing.com/"
-	}
-	
-	Write-Verbose "Parse target website"
-	if ($dwnldsrc -eq "heise") {
-		$contents = cutidx $contents "figure class=""main_stage"""
-		$contents = cutidx $contents "<a href="""
-		$dh = $contents.indexof("/"">")
-		$imgnxt = $contents.substring(9,$dh-8)
-		$imgnxt = procstr $imgnxt
-		$imgnxt = "http://www.heise.de" + $imgnxt
-		$contents = goget($imgnxt)
-		$contents = cutidx $contents "<div class=""main_stage"">"
-		$contents = cutidx $contents "<img src="""
-		$gh = $contents.indexof(".jpg")
-		$imgurl = $contents.substring(9,$gh-5)
-		$imgurl = $imgurl -replace "570" , "1280"
-		$imgurl = procstr $imgurl
-	} else {
-		$b = $contents.indexof("g_img={url:")
-		$c = $contents.substring($b+12).indexof(".jpg")
-		$imgurl = $contents.substring($b+12,$c+4)
-		$imgurl = "http://www.bing.com" + $imgurl
-		$imgurl = procstr $imgurl
-		$imgurl = $imgurl -replace "http://www.bing.com//www.bing.com/" , "http://www.bing.com/"
-	}
-	
-	Write-Verbose "Download image."
-	try {
-		[BYTE[]] $imgarray = goget $imgurl "yes"
-	} catch [Exception] {
-		Write-Verbose "Error downloading img data."
-		Write-Verbose "Exit."
-		Exit 1
-	}
-	$memoryStream = New-Object System.IO.MemoryStream(,$imgarray)
-	
-	if ($dwnldsrc -ne "heise") {
-		$contentstemp = cutidx $contents "hpcNext""></div></div></a><a href"
-		if($contents.compareto($contentstemp) -eq 0) {
-			$contents = cutidx $contents "hpcNext""></div></div></a><a"
-		} else {
-			$contents = $contentstemp
-		}
-	}
-	$contentstemp = cutidx $contents "={""copyright"":"""
-	if($contentstemp -ne $contents -and $dwnldsrc -ne "heise") {
-		$Title = getttl $contents "={""copyright"":"""
-	} else {
-		$Title = getttl $contents "alt="""
-	}
-	$Title = proctitle $Title
-	
-	Write-Verbose "Load System.Drawing."
-	[Reflection.Assembly]::LoadWithPartialName("System.Drawing") | Out-Null
-	[Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms") | Out-Null
-	
-	Write-Verbose "Source image from memorystream."
-	$srcImg = [System.Drawing.Bitmap][System.Drawing.Image]::FromStream($memoryStream)
-	$memoryStream.Dispose()
-	
-	$rheight=$srcImg.Height
-	$rwidth=$srcImg.Width
-	# Resize image if necessary
-	$CurrentRes = (gwmi Win32_VideoController).VideoModeDescription;
-	if($CurrentRes.GetType().IsArray) {
-		$CurrentRes = [String] $CurrentRes
-	}
-	$CurrentRes_split = $CurrentRes.Split("x")
-	$rwidth=$CurrentRes_split[0]
-	$rwidth=$rwidth.trim()
-	$rheight=$CurrentRes_split[1]
-	$rheight=$rheight.trim()
-	
-	Write-Verbose "Resize image."
-	$srcImg = resizeimg $rwidth $rheight $srcImg
-	
-	# rotate the image 
-	$srcImg.rotateflip("Rotate270FlipNone")
-	
-	Write-Verbose "Create a bitmap object."
-	$bmpFile = New-Object System.Drawing.Bitmap(([int]($srcImg.width)),([int]($srcImg.height)))
-	
-	Write-Verbose "Intialize graphics object."
-	$Image = [System.Drawing.Graphics]::FromImage($bmpFile)
-	$Image.SmoothingMode = "AntiAlias"
-	
-	$Rectangle = New-Object Drawing.Rectangle 0, 0, $srcImg.Width, $srcImg.Height
-	$Image.DrawImage($srcImg, $Rectangle, 0, 0, $srcImg.Width, $srcImg.Height, ([Drawing.GraphicsUnit]::Pixel))
-	
-	$Font = New-Object System.Drawing.Font("Arial", 11)
-	$Brush = New-Object Drawing.SolidBrush ([System.Drawing.Color]::FromArgb(255, 255, 255, 255))
-	$sFormat = New-Object System.Drawing.Stringformat
-	$sFormat.Alignment = [System.Drawing.StringAlignment]::Center
-	$ts =  $Image.MeasureString($Title,$Font)
-	$dist = 7
-	if ($ts.Width -ge $srcImg.Width) {
-		$Font = New-Object System.Drawing.Font("Arial", 8)
-		$dist = 5
-	}
-	
-	# draw opaque rectangle
-	$ts =  $Image.MeasureString($Title, $Font)
-	$Brush = new-object Drawing.SolidBrush ([System.Drawing.Color]::FromArgb(128, 0, 0, 0))
-	$Image.FillRectangle($Brush,[System.Math]::Round($srcImg.Width/2-$ts.Width*1.1/2), $dist, [System.Math]::Round($ts.Width*1.1), [System.Math]::Round($ts.Height))
-	$offset = [System.Math]::Round($srcImg.Width/2+$ts.Width*1.1/2)
-	
-	# draw string
-	$Brush = New-Object Drawing.SolidBrush ([System.Drawing.Color]::FromArgb(255, 255, 255, 255))
-	$Image.DrawString($Title, $Font, $Brush, $srcImg.Width/2, $dist,$sFormat)
-	
-	# begin display host info
-	if ($hostinfo -ne "no") {
-		$bmpFile.rotateflip("Rotate180FlipNone")
-		$sFormatNew=New-Object System.Drawing.Stringformat("DirectionVertical")
-		
-		$hostname = $env:COMPUTERNAME
-		$ipaddress = (gwmi Win32_NetworkAdapterConfiguration | ? { $_.IPAddress -ne $null }).ipaddress
-		if(!$ipaddress) {
-			$ipaddress = (gwmi Win32_NetworkAdapterConfiguration | ? { $_.IPAddress -ne $null })[0].ipaddress
-		}
-	    if($ipaddress.GetType().IsArray) {
-		$ipaddress = $ipaddress[0]
-	    }
-		$username = $env:USERNAME
-	
-		$ts = $Image.MeasureString($hostname,$Font)
-		$sw = [System.Math]::Round($ts.Width)
-		$voffset = [System.Math]::Round($offset-$dist-$ts.Height)
-		if($srcImg.Height -ge 966) {
-			$hoffset = [System.Math]::Round(5/6*$srcImg.Height)
-		} else {
-			$hoffset = [System.Math]::Round($srcImg.Height) - 161
-		}
-	
-		$ts =  $Image.MeasureString($ipaddress,$Font)
-		if($ts.Width -ge $sw) {
-			$sw = $ts.Width
-		}
-	
-		$ivoffset = [System.Math]::Round($voffset-$dist-$ts.Height)
-		
-		$ts= $Image.MeasureString($username, $Font)
-		if($ts.Width -ge $sw) {
-			$sw = $ts.Width
-		}
-		$uvoffset = [System.Math]::Round($voffset-2*$dist-2*$ts.Height)
-	
-		# upper left corner of image = max
-		if([System.Math]::Round($uvoffset+3*$dist+3*$ts.Height) -ge $srcImg.Width) {
-			$uvoffset = [System.Math]::Round($srcImg.Width-3*$dist-3*$ts.Height)
-			$ivoffset = [System.Math]::Round($uvoffset+$dist+$ts.Height)
-			$voffset = [System.Math]::Round($ivoffset+$dist+$ts.Height)
-		}
-		
-		# fill rectangle
-		$Brush = New-Object Drawing.SolidBrush ([System.Drawing.Color]::FromArgb(128, 0, 0, 0))
-		$Image.FillRectangle($Brush,$uvoffset, $hoffset-$dist, [System.Math]::Round(3*$dist+3*$ts.Height), [System.Math]::Round($sw+3*$dist))
-		# draw strings
-		$Brush = new-Object Drawing.SolidBrush ([System.Drawing.Color]::FromArgb(255, 255, 255, 255))
-		$Image.DrawString($hostname, $Font, $Brush, $voffset, $hoffset, $sFormatNew)
-		$Image.DrawString($ipaddress, $Font, $Brush, $ivoffset, $hoffset, $sFormatNew)
-		$Image.DrawString($username, $Font, $Brush, $uvoffset, $hoffset, $sFormatNew)
-		$bmpFile.rotateflip("Rotate270FlipNone")
-	} else {
-		# turn image back
-		$bmpFile.rotateflip("Rotate90FlipNone")
-	}
-	
-	# write image
-	Write-Verbose "Save and close files."
-	$path = [IO.Path]::GetFullPath("bingimagean.bmp")
-	$bmpFile.save($path, [System.Drawing.Imaging.ImageFormat]::Bmp)
-	$Image.Dispose()
-	$bmpFile.Dispose()
-	$srcImg.Dispose()
-	
-	# begin setwallpaper
-	Write-Verbose "Write registry."
-	$registryPath = "HKCU:\Control Panel\Desktop"
-	
-	if(!(Test-Path $registryPath)) {
-	    New-Item -Path $registryPath -Force | Out-Null
-	}
-	
-	$nm = "WallpaperStyle"
-	$value = "0"
-	New-ItemProperty -Path $registryPath -Name $nm -Value $value -PropertyType STRING -Force | Out-Null
-	$nm = "TileWallpaper"
-	$value = "0"
-	New-ItemProperty -Path $registryPath -Name $nm -Value $value -PropertyType STRING -Force | Out-Null
-	
-	Write-Verbose "Refresh explorer."
-	[Wallpaper.Setter]::SetWallpaper($path)
-}
-
-initbang
-loadandset
-$time_last_run = Get-Date
-Do {
-	$time_now = Get-Date
-	$time_diff = $time_now - $time_last_run
-	if($time_diff.hours -gt 12) {
-		loadandset
-		$time_last_run = Get-Date
-	}
-	start-sleep -s 60	
-} while($true)
-
-Exit 0