Jasc Software You can download a trial version of PSP here before you decide if you want to buy the software.
FAQ Very frequently asked questions about PSP (also interesting about errors etc.)

You can find tons of PSP tutorials online just by typing in "PSP Tutorials" in your search engine. Here are a couple that I found very useful:
the Paint Shop Pro Users Group
PSP Imaginarium has good beginners and intermediate tutorials.
PSP Links collection of usefull tutorial links.

House of Lime
Moss Valley : an index of dingbats sorted by category
Medieval fonts and this site also has links to other sites that have historical fonts.
TypOasis: great site!!
FONTZ.de

These are some tools that can come in handy while building your website. I am still experimenting with them :)
HTMLValidator: the lite version is free and checks the basic html of your page.
Mapedit: a trial version to easily make imagemaps.
Anfy 2.0: freeware program, Includes 52 applets for web pages, desktop wallpapers or screensaver.