Nothing special in mind. Have fun with this. >D
Hm. Ted's character design is simple. I can give you a brief, if you want.

He's taller than Al, but not by much.
His hair is brown, and highlighted. It's style is similar to Dr. Chases', but a bit longer and a little wavy.
His hips are feminine, and he has a stubbly beard of sorts. Like House's, but no moustache.

And what would YOU like? =D