beatles songs. im doing octopus's garden adn my friend is doing yellow submarine. they give you rhyme and rhythm, imagery, repetition...the list goes on
and im using 'lines and squares' by a.a milne, its an old kids poem about a kid imagining he can see bears that will eat him if he steps on the cracks in the pavement. where the wild things are is a good one too.
or if youre after a challenge, try bohemian rhapsody