Cool Signatures, How do you do it?

How do you guys get pictures and stuff in your signature on this site? I can't even change the size of my font!

mmm good question
design sumthin u like in any photstudio software u have
then register to www.photobucket.com
and thennnnn make ur album , upload pix there frm ur comp.
paste the image link in the sign

Cool, thanx! I'll do that soon