Thanks for the comments. Sporus, don't be afraid to ask questions although there are definitely better people to ask! Just drop me a PM if there's anything I can answer though.
Found this site...
^^ this might help you
Are you talking about a certain thread in particular?
The thumbnail is taken from the first image, but you have to use the attachment feature which is the button that looks like a paperclip.
Rules for Sketchbooks:
1) Being racy is fine, but please don't try to be offensive.
2) Don't make "bogus" posts that are meant to "bump" your thread to the top of the list. We want art.