Where can I learn free magic tricks online?

I just want some cool magic tricks to learn..I only know one and its pretty cool! I have 2 mugs..one with paper towels in it and the other with some water..I pour the water into the other cup and the paper absorbs it and I say ABRA-CADABRA and I turn the cup with the paper over and nuthin comes out! =] TADAAAA!!! L0L anymore good tricks?? THANKS SWEETIEZ!!