diff --git a/layout/reftests/bugs/28811-1-inner.html b/layout/reftests/bugs/28811-1-inner.html
index 625fdc8a0b3b..d47a4499e4ba 100644
--- a/layout/reftests/bugs/28811-1-inner.html
+++ b/layout/reftests/bugs/28811-1-inner.html
@@ -9,19 +9,19 @@
 
 <div><span style="margin-right: 10%">text</span></div>
 <div><span style="margin-left: 10%">text</span></div>
-<div><img src="mozilla-banner.gif" height="10" style="margin-top: 2%"></div>
-<div><img src="mozilla-banner.gif" height="10" style="margin-right: 10%"></div>
-<div><img src="mozilla-banner.gif" height="10" style="margin-bottom: 2%"></div>
-<div><img src="mozilla-banner.gif" height="10" style="margin-left: 10%"></div>
+<div><img src="blue-600x58.png" height="10" style="margin-top: 2%"></div>
+<div><img src="blue-600x58.png" height="10" style="margin-right: 10%"></div>
+<div><img src="blue-600x58.png" height="10" style="margin-bottom: 2%"></div>
+<div><img src="blue-600x58.png" height="10" style="margin-left: 10%"></div>
 
 <div><span style="background:yellow; padding-top: 2%">text</span></div>
 <div><span style="background:yellow; padding-right: 10%">text</span></div>
 <div><span style="background:yellow; padding-bottom: 2%">text</span></div>
 <div><span style="background:yellow; padding-left: 10%">text</span></div>
 
-<div><img src="mozilla-banner.gif" height="10" style="width: 10%"></div>
-<div><img src="mozilla-banner.gif" height="2" style="min-width: 50%"></div>
-<div><img src="mozilla-banner.gif" height="10" style="max-width: 1%"></div>
+<div><img src="blue-600x58.png" height="10" style="width: 10%"></div>
+<div><img src="blue-600x58.png" height="2" style="min-width: 50%"></div>
+<div><img src="blue-600x58.png" height="10" style="max-width: 1%"></div>
 
 <div><span style="display:inline-block">This is an inline-block that contains enough text that its shrink-wrap width will be based on the available size in its container.  Blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah.</span></div>
 <div><button>This is a button that contains enough text that its shrink-wrap width will be based on the available size in its container.  Blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah.</button></div>
diff --git a/layout/reftests/bugs/28811-2-inner.html b/layout/reftests/bugs/28811-2-inner.html
index c39e3611be0a..e101c0df93fe 100644
--- a/layout/reftests/bugs/28811-2-inner.html
+++ b/layout/reftests/bugs/28811-2-inner.html
@@ -9,19 +9,19 @@
 
 <div><span><span style="margin-right: 10%">text</span></span></div>
 <div><span><span style="margin-left: 10%">text</span></span></div>
-<div><span><img src="mozilla-banner.gif" height="10" style="margin-top: 2%"></span></div>
-<div><span><img src="mozilla-banner.gif" height="10" style="margin-right: 10%"></span></div>
-<div><span><img src="mozilla-banner.gif" height="10" style="margin-bottom: 2%"></span></div>
-<div><span><img src="mozilla-banner.gif" height="10" style="margin-left: 10%"></span></div>
+<div><span><img src="blue-600x58.png" height="10" style="margin-top: 2%"></span></div>
+<div><span><img src="blue-600x58.png" height="10" style="margin-right: 10%"></span></div>
+<div><span><img src="blue-600x58.png" height="10" style="margin-bottom: 2%"></span></div>
+<div><span><img src="blue-600x58.png" height="10" style="margin-left: 10%"></span></div>
 
 <div><span><span style="background:yellow; padding-top: 2%">text</span></span></div>
 <div><span><span style="background:yellow; padding-right: 10%">text</span></span></div>
 <div><span><span style="background:yellow; padding-bottom: 2%">text</span></span></div>
 <div><span><span style="background:yellow; padding-left: 10%">text</span></span></div>
 
-<div><span><img src="mozilla-banner.gif" height="10" style="width: 10%"></span></div>
-<div><span><img src="mozilla-banner.gif" height="2" style="min-width: 50%"></span></div>
-<div><span><img src="mozilla-banner.gif" height="10" style="max-width: 1%"></span></div>
+<div><span><img src="blue-600x58.png" height="10" style="width: 10%"></span></div>
+<div><span><img src="blue-600x58.png" height="2" style="min-width: 50%"></span></div>
+<div><span><img src="blue-600x58.png" height="10" style="max-width: 1%"></span></div>
 
 <div><span><span style="display:inline-block">This is an inline-block that contains enough text that its shrink-wrap width will be based on the available size in its container.  Blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah.</span></span></div>
 <div><span><button>This is a button that contains enough text that its shrink-wrap width will be based on the available size in its container.  Blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah.</button></span></div>
diff --git a/layout/reftests/bugs/blue-600x58.png b/layout/reftests/bugs/blue-600x58.png
new file mode 100644
index 000000000000..8983ae0ad123
Binary files /dev/null and b/layout/reftests/bugs/blue-600x58.png differ