I came accros a bunch more 'bugs'.
Using firefox, the oxygen skin.
Images in a quoted post get clipped without a scrollbar appearing at the end of the quote or end of the post if your browser width is less than the width of the image. >
Screenshot
The scrollbar does appear in a normal post so it's probably quote-code related. >
Screenshot
Topic titles get clipped (including the pagenumbers) if the browser width is less than the length of the title and pagenumber combined. >
Screenshot
Ofcourse, they do show up normally if your window is wide enough. >
Screenshot