Looks like some yellow paint from the Les S. hydralic lift transfered onto your control arm. With the problems you are now experiencing, I would definitely take it back to them. Have them put it on the lift so you can show them the problem.
Take your camera with you and snap (again) some photos while the car is on the lift. They should fix the problem.
Ever since 'ole Les died, the company has changed. They are most concerned about profits now. Good luck.