With SoundCloud and YouTube having all these copyright issues, it's made our challenges quite a bit more... well challenging.
So as of right now, you can upload MP3s directly to the forum. Members will be able to download 'em and give 'em a listen. Should make running challenges waaaay easier.
(In future, I'll see if I can get it to embed a little player.)
Check it out:
PS: It turns the "mp3" extension into "mpga" for security reasons. Safe to ignore and it'll be fixed in future versions, apparently.