If you haven't tried it, you should.  This is one powerful graphics program.  Great for web graphics!  You can get a free trial download to try it out! 

Jasc Software - Home of Paint Shop Pro Very widely used for web graphics design

Paint Shop Pro - Art Resources nice tutorials on getting very different and specific effects with PSP 5 and 6

PSP Interactive Zone - Very well done collection of tutorials and goodies for Paint Shop Pro

PSP Beginnings Very well done tutorials with examples for beginners in PSP 5 or 6.

Paint Shop Pro - On Line Tutorials - More tutorials - a lot of tips for working with photos

Paint Shop Pro web - graphics tutorial - very well done and helpful for the beginner or experienced psp user.

Paint Shop Pro 5/6 tutorials.  Very helpful.

Robin's PSP 6/7 Tutorials.  Good number of varied tutorials for version 6 and 7 of this great program.