I'm a hobbyist composer from Finland and have published music under Creative Commons licence for a few years now. All of my published works can be found hosted on french CC music forum Jamendo. Here's a sample tune that gives quite good idea regarding the quality and style:
Here are the project homepages:
If creative commons licence is too restrictive, Jamendo offers dynamically priced commercial licencing options as well, prices start from a only few euros, so even zero-budget films can find reasonable options there.
Hope you find some useable material!