'01 Malibu Headlight Damage Help Plz!

A truck tried to cut me off, but hit my car, then took off, the hood is slightly bent, and the headlight is smashed.

I should be able to unbend the hood myself, but the problem is that the headlight was pushed back about 4", and it looks like what mounts the headlight is all cracked, so I don't think I can just put another headlight in.

I was wondering what I would need to replace (part names), where to get it (i.e. www.partstrain.com) and how to do it.
I realize it may be difficult to say without a picture, so I am trying to get one ASAP, I'll reply when I get it.

I want to avoid taking it to a costly auto body shop.

Thanks for any help.

I am pretty sure its just the headlight, and the Header Panel that I need to replace.

I just wonder now if there is someone who can tell me how to replace the header panel.