I found that FF 4 (4.0.1) has problems layouting the member photos (in fact those are canvases) on http://youneaty.com . Actually, some pages are renderer correctly (an even 3x3 grid) but if you skip through the pages, some of them are display in a broken layout. The canvases (and texts) are layouted in "left floating" divs. Strange thing is, that FF does wrap the line but "indents" the photo some amount. It feels and looks like the FF does increase y on skipping but forgets to set x=0 (simply speaking). Very important note: This worked correctly for FF 2 and 3 and does so for any other browser I tested (current versions of Chrome, Opera, IE). Any hint would be greatly appreciated. Thank you!