song recs?

[lone_pyramid]

I'm making a billion and one (slight exaggeration -- five or six) slideshows for various classes at school, and I'm in need of some good music. Recs? Lyrics need to be appropriate for elementary-age children (ie no sexual references or swearing) but they don't have to be "kid" songs. For example, Taio Cruz' Dynamite is popular with some of the kindergarteners. Who knew?

So, rec me something along those lines? Gracias!