www.roythezeba.com.au prep, grade 1, grade 2
www.pppst.com this site is great for powerpoints and links to various games. All levels.
www.wordle.net this site is great for completing a brain storm with your class. Also looks effective in students portfolios. All levels.
http://www.adrianbruce.com/ this site has various activities for many levels. Includes homework ideas.