This is all off the top of my head. I haven't really kept track of jj2 happenings much this year up untill recently.

Best levelmaker: BlurredD
Best levelmaking group: OLC. Yes, I know I'm in OLC, but no other groups have really released anything.

Best levelpack: FSP: Rent Collection
Best eyecandy: Garden Brawl by FireSworD
Most original level: One Spot by FireSworD

Best singleplayer level: N/A
Best CTF level: N/A
Best battle level: Garden Brawl by FireSworD

Best tilesetmaker: N/A
Best tileset: N/A
Best JJ1 conversion: N/A
Best JJ2 conversion: Diamondus Beta by Pyromanus

Edit: Why did this post suddenly include nominations I can't remember making?