Index: wp-admin/css/wp-admin-rtl.dev.css
===================================================================
--- wp-admin/css/wp-admin-rtl.dev.css	(revision 18747)
+++ wp-admin/css/wp-admin-rtl.dev.css	(working copy)
@@ -1162,8 +1162,27 @@
   19.0 - Tools
 ------------------------------------------------------------------------------*/
 
-/* Intentionally didn't RTLized the new press-this button;
+.pressthis a span {
+	background-position: -20px 5px ;
+	padding: 8px 32px 8px 0;
+}
 
+.pressthis a:after {
+	right: auto;
+	left: 10px;
+	background: transparent;
+	transform: skew(-20deg) rotate(-6deg);
+	-webkit-transform: skew(-20deg) rotate(-6deg);
+	-moz-transform: skew(-20deg) rotate(-6deg);
+}
+
+
+.pressthis a:hover:after {
+	transform: skew(-20deg) rotate(-9deg);
+	-webkit-transform: skew(-20deg) rotate(-9deg);
+	-moz-transform: skew(-20deg) rotate(-9deg);
+}
+
 /*------------------------------------------------------------------------------
   20.0 - Settings
 ------------------------------------------------------------------------------*/