I also enjoyed using poetry books by Jack Prelutsky when I taught elementary school.
Here are a couple of my favorite poetry collections. The Big Book of Poetry is a good assortment of all styles and For Laughing Out Loud is just plain FUNNY!
I couldn't forget the classic poems, such as Mother Goose.
My kids and I took turns reading the books mentioned above, but it is refreshing to hear a different voice reading poems. Poetry Speaks to Children is one of the highest rated poetry books on CD that kids really enjoy. The best part is most of the poems in this book are read aloud by the original poets. Listening to Robert Frost read Stopping by Woods on a Snowy Evening was very surreal.
Here is one of Colton's poems.
Here are some examples of their poems.