Any suggestions on what type of aftermarket fog lights I should stick on my 1989 Pathy?

PIA's are good. I have something like this on my 93 path

http://www.customtruckpartsinc.com/IMG_Products/PIA-550.jpg

P.s. make sure the light is white. Looks better

Whatever fits that makes you happy? I like PIAAs. They're niiiice.