Please keep the kind of content posted in this forum pretty much on the "safe for work" level, if anything pornographic in nature(also applies to anime/drawn based stuff to.) is posted here it will be deleted.
With the forums current settings you can attach upto 3 images upto 1MB each in a single post. You can also use
my image hosting thing to upload images too(allows for some image processing stuff like resizing, etc.), if you don't use some other image hosting for your pictures.