I am looking for a site where I can download music I can use to make videos with Windows Movie Maker, I don’t care if I have to pay and I don’t care what else the music is compatible with. Thank You!

(some podcasts are not on itunes, and are only available on the site, such as the best of youtube podcast)
By creator i mean like if its an “best of youtube” podcast, then the website bestofyoutube.com, the site run by the creators of the podcast. I’d like to download the podcast to itunes, so it can go on my ipod