um i learned adams song by blink 182 haha
if you don't mind playing stuff like that then i would say anything from them or greenday is pretty easy, and i will second the smells like teen spirit a easy but good song haha, um if you want to get a little more difficult and have something everyone knows i would say crazy train w/o the solo or maybe some parts to stairway to heaven, then there is also alot of black sabbath that isn't that tough also such as paranoid and ironman
you just have to look around and play what feels good until you start advancing