I'll make it easy for ya. If it's not an OEM headlight (ex.. FORD) it's not going to fit like the orignal eqipment. The "TY" ones you mentioned are the best bang for the buck compared to the depot headlights.. but again.. fitment issues.
There is a guy on here (someone chime in) that can get us DEEP discounts on headlights from ford, actual FORD brand headlights. I think it totals out like 90.00 per light shipped. Search in this forumn for cheap headlights or discount. You'll find it.