diff --git a/release/nrc/nrc_crk_cans/source/help/layout-numeric.jpg b/release/nrc/nrc_crk_cans/source/help/layout-numeric.jpg
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diff --git a/release/nrc/nrc_crk_cans/source/help/layout-numeric.png b/release/nrc/nrc_crk_cans/source/help/layout-numeric.png
new file mode 100644
index 0000000..829ce92
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diff --git a/release/nrc/nrc_crk_cans/source/help/layout-punctuation.jpg b/release/nrc/nrc_crk_cans/source/help/layout-punctuation.jpg
deleted file mode 100644
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diff --git a/release/nrc/nrc_crk_cans/source/help/layout-punctuation.png b/release/nrc/nrc_crk_cans/source/help/layout-punctuation.png
new file mode 100644
index 0000000..f01e8f9
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diff --git a/release/nrc/nrc_crk_cans/source/help/nrc_crk_cans.php b/release/nrc/nrc_crk_cans/source/help/nrc_crk_cans.php
index 805e5c6..00719e5 100644
--- a/release/nrc/nrc_crk_cans/source/help/nrc_crk_cans.php
+++ b/release/nrc/nrc_crk_cans/source/help/nrc_crk_cans.php
@@ -162,14 +162,14 @@
 <h3>Numeric</h3>
 <p>After pressing <kbd class="special">123</kbd> from any other screen.</p>
 <figure>
-  <img alt="Numeric layout" src="layout-numeric.jpg" />
+  <img alt="Numeric layout" src="layout-numeric.png" />
 </figure>
 
 <h3>Punctuation Subkeys</h3>
 <p> Obtain this pop-up by pressing-and-holding the <kbd>᙮</kbd> key near
     the bottom-right corner of the keyboard.</p>
 <figure>
-  <img alt="Punctuation subkeys" src="layout-punctuation.jpg" />
+  <img alt="Punctuation subkeys" src="layout-punctuation.png" />
 </figure>
 
 <hr/>
diff --git a/release/nrc/nrc_crk_cans/source/welcome/layout-numeric.jpg b/release/nrc/nrc_crk_cans/source/welcome/layout-numeric.jpg
deleted file mode 100644
index 16666c0..0000000
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diff --git a/release/nrc/nrc_crk_cans/source/welcome/layout-numeric.png b/release/nrc/nrc_crk_cans/source/welcome/layout-numeric.png
new file mode 100644
index 0000000..829ce92
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diff --git a/release/nrc/nrc_crk_cans/source/welcome/layout-punctuation.jpg b/release/nrc/nrc_crk_cans/source/welcome/layout-punctuation.jpg
deleted file mode 100644
index 0120d6f..0000000
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diff --git a/release/nrc/nrc_crk_cans/source/welcome/layout-punctuation.png b/release/nrc/nrc_crk_cans/source/welcome/layout-punctuation.png
new file mode 100644
index 0000000..f01e8f9
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diff --git a/release/nrc/nrc_crk_cans/source/welcome/welcome.htm b/release/nrc/nrc_crk_cans/source/welcome/welcome.htm
index f236fef..4bed5bb 100644
--- a/release/nrc/nrc_crk_cans/source/welcome/welcome.htm
+++ b/release/nrc/nrc_crk_cans/source/welcome/welcome.htm
@@ -185,14 +185,14 @@ <h3>ᐤ pressed</h3>
     <h3>Numeric</h3>
     <p>After pressing <kbd class="special">123</kbd> from any other screen.</p>
     <figure>
-      <img alt="Numeric layout" src="layout-numeric.jpg" />
+      <img alt="Numeric layout" src="layout-numeric.png" />
     </figure>
 
     <h3>Punctuation Subkeys</h3>
     <p> Obtain this pop-up by pressing-and-holding the <kbd>᙮</kbd> key near
         the bottom-right corner of the keyboard.</p>
     <figure>
-      <img alt="Punctuation subkeys" src="layout-punctuation.jpg" />
+      <img alt="Punctuation subkeys" src="layout-punctuation.png" />
     </figure>
 
     <hr/>