to answer the question as long as you don't paint it some kind of obnoxious color like pink or tmp green (those of you in who were in the army in the 80's know what I mean) I don't think it will hurt the value of it.
OK, "just about anything" So you could get a vinyl print of a kristy and make everyone think they actually move?If it's something unique that your looking for, go to a graphic arts shop and check out a vinyl wrap. It can be just about anything.
I agree as well...
My impression is the headlight bezels on Thiokols are actually Kenworth / Peterbilt truck bezels. (Hopefully someone more knowledgeable can confirm that.) Re-chroming can be quite expensive. You may be able to find a nice set of used ones considerably cheaper.