Don't look now, but... there's a new update on the svn. A preview of the Eagle Nebula background I've been working on. I'm still tweaking the BGbuilder settings to get it optimized, so I won't call it done, but I think it's ready for an 'open beta'.
To see it, start a Area Capture skirmish on the map called Eagle Attack. It's just the mars map copied over, but I'll find a proper map to use with the background when it's done.