I get a timed out message when posting more than one attachment.
EDIT:
I've found that editing the post and adding another attachment works.
By the way, I've just got Firefox 3.6 and tested the personas feature. It's not as good as Opera skins which alters the entire user interface. Personally I don't care one way or the other, I don't use the themes on Opera, on Windows I have it set for the system them and under Linux it's set to the classic Opera 9 theme.
I do know though that some people value superficial things like the user interface, visual styles and skins more than important things like security and will be amazed by themes.
See the attachments. Sorry about the quality, unfortunately I had to convert to 8-bit PNG and low quality JPG to fit them into the limit 192kB total attachments per post.