here are some inspirational sites i got...
http://www.atomfilms.com/
http://www.pocketmovies.net/movie_list.php?&start=105
http://www.mikesshorts.com/download.html
http://www.meldrum.co.uk/mhp/identzone/bbc2/bbc2_animations.html
http://www1.cs.columbia.edu/~butz/anim/index.html
http://www.albinoblacksheep.com/flash/flufflemoops
http://www.happytreefriends.com
http://www.albinoblacksheep.com
http://www.newgrounds.com

In general i like the simple animations better, stick figures or simple line drawings.. nothing too complicated. I like the cartoony/cute style. Simple yet effective.