knittinghelp.com
over 150 free knitting videos

knitting for beginners @ about .com
instructions about all sorts of knitting topics, and more advanced info too

how-to from vogue knitting
illustrated instructions for basic techniques, a glossary and more

learntoknit.com
info from the Craft Yarn Council

knitworld
a site from New Zealand — links to the how-to articles and illustrations can be found at the bottom of the page

knitty.com
lots of free patterns and articles about all sorts of knitting topics

dishcloth boutique
bunches of dishcloth patterns — a great way to try new stitches... and the site offers photos of each style