I'm particularly fond of a (short mix) i did, and I want folks to hear it but I don't know where to put it.
Upload the file to your website or ISP space and provide a link to it in a post here.
You can try http://www.mediafire.com/ , there is plenty of other file sharing sites too.
Does this place store video also? If not, is there a place you can store audio, video, & images? Thanks