Which do you guys recommend? Maybelline, NYC, Neutrogena, Covergirl, or something different? And what color should I get? I'm mixed, white and black, but light skinned. I don't want it to be too dark, but not to light either. Any suggestions? Oh, and would something cover better than a stick? I've used liquid and didn't like it. I'm trying to cover some scars. Thanks. : )

try Avons ideal shade concealer and foundation its pretty good! heres a link

I personally like Physician's Formula concealer sticks. There are light and dark shades, plus also a greenish shade for better blemish coverage, and a yellowish shade for better undereye circle coverage. Available at drugstores.
I don't like liquid either.

ps
benefit cosmetics has one that is supposed to treat your pimple while concealing it, but I haven't tried it yet.