diff --git a/bootstrap.css b/bootstrap.css
index c7f2dfc6a2..3fa776fcbb 100644
--- a/bootstrap.css
+++ b/bootstrap.css
@@ -6,7 +6,7 @@
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Designed and built with all the love in the world @twitter by @mdo and @fat.
- * Date: Wed Dec 21 16:26:02 CST 2011
+ * Date: Wed Dec 21 18:20:33 CST 2011
  */
 html, body {
   margin: 0;
@@ -2615,6 +2615,7 @@ button.btn::-moz-focus-inner, input[type=submit].btn::-moz-focus-inner {
 }
 .thumbnail {
   display: block;
+  padding: 4px;
   line-height: 1;
   border: 1px solid #ddd;
   -webkit-border-radius: 4px;
@@ -2632,7 +2633,7 @@ a.thumbnail:hover {
 }
 .thumbnail > img {
   display: block;
-  margin: 4px;
+  max-width: 100%;
 }
 .thumbnail .caption {
   padding: 9px;
diff --git a/bootstrap.min.css b/bootstrap.min.css
index 728a48a129..71996816d8 100644
--- a/bootstrap.min.css
+++ b/bootstrap.min.css
@@ -338,9 +338,9 @@ button.btn::-moz-focus-inner,input[type=submit].btn::-moz-focus-inner{padding:0;
 .thumbnails{margin-left:-20px;margin-bottom:0;list-style:none;zoom:1;}.thumbnails:before,.thumbnails:after{display:table;*display:inline;content:"";zoom:1;}
 .thumbnails:after{clear:both;}
 .thumbnails>li{float:left;margin:0 0 20px 20px;}
-.thumbnail{display:block;line-height:1;border:1px solid #ddd;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-box-shadow:0 1px 1px rgba(0, 0, 0, 0.075);-moz-box-shadow:0 1px 1px rgba(0, 0, 0, 0.075);box-shadow:0 1px 1px rgba(0, 0, 0, 0.075);}
+.thumbnail{display:block;padding:4px;line-height:1;border:1px solid #ddd;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-box-shadow:0 1px 1px rgba(0, 0, 0, 0.075);-moz-box-shadow:0 1px 1px rgba(0, 0, 0, 0.075);box-shadow:0 1px 1px rgba(0, 0, 0, 0.075);}
 a.thumbnail:hover{border-color:#0069d6;-webkit-box-shadow:0 1px 4px rgba(0, 105, 214, 0.25);-moz-box-shadow:0 1px 4px rgba(0, 105, 214, 0.25);box-shadow:0 1px 4px rgba(0, 105, 214, 0.25);}
-.thumbnail>img{display:block;margin:4px;}
+.thumbnail>img{display:block;max-width:100%;}
 .thumbnail .caption{padding:9px;}
 .hidden{display:none;visibility:hidden;}
 @media (max-width: 480px){.modal{width:auto;margin:0;} .horizontal-form .control-group>label{float:none;width:auto;padding-top:0;text-align:left;} .horizontal-form .controls{margin-left:0;} .horizontal-form .control-list{padding-top:0;} .horizontal-form .form-actions{padding-left:0;}}@media (max-width: 768px){.container{width:auto;padding:0 20px;} .row{margin-left:0;} [class*="span"]{float:none;display:block;width:auto;margin:0;} .nav{position:absolute;top:0;left:0;width:180px;padding-top:40px;list-style:none;} .nav,.nav>li:last-child a{-webkit-border-radius:0 0 4px 0;-moz-border-radius:0 0 4px 0;border-radius:0 0 4px 0;} .nav>li{float:none;display:none;} .nav>li>a{float:none;background-color:#222;} .nav>.active{display:block;position:absolute;top:0;left:0;} .navbar ul .active>a{background-color:transparent;} .nav>.active a:after{display:inline-block;width:0;height:0;margin-top:8px;margin-left:6px;text-indent:-99999px;vertical-align:top;border-left:4px solid transparent;border-right:4px solid transparent;border-top:4px solid #ffffff;filter:alpha(opacity=100);-moz-opacity:1;opacity:1;content:"↓";} .nav>.active a:hover{background-color:rgba(255, 255, 255, 0.05);}}@media (min-width: 768px) and (max-width: 940px){.container{width:748px;} .span1{width:44px;} .span2{width:108px;} .span3{width:172px;} .span4{width:236px;} .span5{width:300px;} .span6{width:364px;} .span7{width:428px;} .span8{width:492px;} .span9{width:556px;} .span10{width:620px;} .span11{width:684px;} .span12{width:748px;} .offset1{margin-left:64px;} .offset2{margin-left:128px;} .offset3{margin-left:192px;} .offset4{margin-left:256px;} .offset5{margin-left:320px;} .offset6{margin-left:384px;} .offset7{margin-left:448px;} .offset8{margin-left:512px;} .offset9{margin-left:576px;} .offset10{margin-left:640px;} .offset11{margin-left:704px;} .offset12{margin-left:768px;}}
diff --git a/lib/thumbnails.less b/lib/thumbnails.less
index 12626df3f1..9e25f50272 100644
--- a/lib/thumbnails.less
+++ b/lib/thumbnails.less
@@ -13,6 +13,7 @@
 }
 .thumbnail {
   display: block;
+  padding: 4px;
   line-height: 1;
   border: 1px solid #ddd;
   .border-radius(4px);
@@ -26,7 +27,7 @@ a.thumbnail:hover {
 // Images and captions
 .thumbnail > img {
   display: block;
-  margin: 4px;
+  max-width: 100%;
 }
 .thumbnail .caption {
   padding: 9px;