man, you took the words out of my mouth, blink182(my favorite band) and greenday, easy good songs. ill give you some for them...

greenday: american idiot(pretty easy) when i come around, holiday
blink-182: All the small things(awsome/easy) whats my age again?(ditto)

those songs are a surefire way to get the adiences atention, and here good, alternative rock/pop songs. Find the chords for them @...(or tabs)

For greenday= ultimate-guitar.com

for blink-182=fenderplayersclub.com, and e-chords.com(or e-chord, i dont remember) well good luck!