Want help with your 50 states?  Here are some more sites:

To learn the states' locations try these:

http://www.sheppardsoftware.com/states_experiment_drag-drop_Intermed_State15s_500.html
http://www.pibmug.com/files/map_test.swf

For learning States' Capitals:

http://www.sheppardsoftware.com/states_capitals_10_500.html
http://www.50states.com/flash/