So, one of my former coworkers has been working on a startup called
Jamglue, which is sort of like ccMixter only with a Flash-based mixing app built-in (the idea being that people can quickly throw together a mix or whatever). I've uploaded a bunch of my loops and song fragments to it, and people are doing some pretty cool stuff with it. I've also made a few mixes on there, one of which have been featured on a number of weblogs now.
One pretty nifty thing is you can directly embed a remix from a weblog, such as
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