Mine are yellow and look like crap. Any suggestions.

 

Order new black housing ones and throw a set of HID's in them and you're good to go! You can find all sorts of housings out there on eBay.

 

The clear cover's are yellow or your bulbs?
There are kits to restore off colored lenses (if you find one that works let me know I've never tried any), You could pay to have them restored, paint over the yellow or tint them.

I'm in the same boat, mine look like crap and I'm trying to find a solution other than buying new ones. I think I'm going to try a restore kit and if that doesn't work they will get tinted this weekend.