help with finishing...

[norcal_105]

Ive been workin on a track and it is close to done. the track, corners, jumps, finish ext is there but not scenery, tents, bales, ext. i personally really like the track and i really want it to look good when i post, dont have photoshop so is there anyone who would mind helping me finish the details? if not thats cool, i also wanna make it night time. well thx,