diff --git a/classes/feeds.php b/classes/feeds.php
index f9f82cd16..2f4870f91 100644
--- a/classes/feeds.php
+++ b/classes/feeds.php
@@ -635,7 +635,7 @@ class Feeds extends Protected_Handler {
 							$reply['content'] .= " ";
 
 							$reply['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
-							$reply['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
+							$reply['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.png'></a>";
 
 							$reply['content'] .= "</div>";
 						}
diff --git a/images/art-readitlater.png b/images/art-readitlater.png
index c9be67ff1..e680c8fb0 100644
Binary files a/images/art-readitlater.png and b/images/art-readitlater.png differ
diff --git a/images/art-zoom.png b/images/art-zoom.png
index 25465bca8..78511a6f6 100644
Binary files a/images/art-zoom.png and b/images/art-zoom.png differ
diff --git a/images/feed-icon-64x64.png b/images/feed-icon-64x64.png
index 627201557..ff8b85d25 100644
Binary files a/images/feed-icon-64x64.png and b/images/feed-icon-64x64.png differ
diff --git a/images/logo_wide.png b/images/logo_wide.png
index 43e3c5045..46e469c20 100644
Binary files a/images/logo_wide.png and b/images/logo_wide.png differ
diff --git a/images/mark_set.gif b/images/mark_set.gif
deleted file mode 100644
index aae4809e3..000000000
Binary files a/images/mark_set.gif and /dev/null differ
diff --git a/images/mark_set.png b/images/mark_set.png
index a11d8c022..ed0473f1c 100644
Binary files a/images/mark_set.png and b/images/mark_set.png differ
diff --git a/images/mark_unset.gif b/images/mark_unset.gif
deleted file mode 100644
index bfa07c901..000000000
Binary files a/images/mark_unset.gif and /dev/null differ
diff --git a/images/mark_unset.png b/images/mark_unset.png
index f64f2d4b9..04f6ea4f0 100644
Binary files a/images/mark_unset.png and b/images/mark_unset.png differ
diff --git a/images/pub_set.gif b/images/pub_set.gif
deleted file mode 100644
index e57bc9463..000000000
Binary files a/images/pub_set.gif and /dev/null differ
diff --git a/images/pub_set.png b/images/pub_set.png
index 79a965bbe..2503295c4 100644
Binary files a/images/pub_set.png and b/images/pub_set.png differ
diff --git a/images/pub_unset.gif b/images/pub_unset.gif
deleted file mode 100644
index e470e8e0e..000000000
Binary files a/images/pub_unset.gif and /dev/null differ
diff --git a/images/pub_unset.png b/images/pub_unset.png
index 74527cb12..58a3cd355 100644
Binary files a/images/pub_unset.png and b/images/pub_unset.png differ
diff --git a/images/sign_excl.png b/images/sign_excl.png
index de340b5d3..d3e00ced6 100644
Binary files a/images/sign_excl.png and b/images/sign_excl.png differ
diff --git a/images/sign_info.png b/images/sign_info.png
index 7f1b607e9..c2ae16a67 100644
Binary files a/images/sign_info.png and b/images/sign_info.png differ
diff --git a/images/sign_quest.png b/images/sign_quest.png
index f09727cff..3c2c93ec0 100644
Binary files a/images/sign_quest.png and b/images/sign_quest.png differ
diff --git a/include/functions.php b/include/functions.php
index 5cbe80c81..175950289 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -3328,7 +3328,7 @@
 					$rv['content'] .= "&nbsp;";
 
 					$rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
-					$rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
+					$rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.png'></a>";
 
 					$rv['content'] .= "</div>";
 				}