Any tips for converting wav, mp3 and other formats into ogg? Software you like, software to avoid, common problems, that kind of thing. I need to add several new ambient sounds to the standard ones for my level, and the sound sites I found so far don't seem to have much ogg stuff available.
I'd also really welcome a few pointers to sites that offer cc-licenced ambient music that may be used in levels - I'm not an ambient fan, so this is a completely new field to me, and I hardly know where to start.