Fun sites to use with Last.fm

Last.fm Chart Calculator & Google App "countfm".
You can try them out with my Last.fm user name 'gdad'.

More:
http://kyleabaker.com/fun/lfmadpc/?u=gdad
http://musicvideoswiz.com/user/gdad
http://build.last.fm
10-great-last-fm-apps-hacks-and-mashups
http://evolver.fm