I beileve there is only one type of lights for the MK1, it would be best to upgrade to MK 2 lights stand out much better and have LED effect.
The plate you are after is im guessing is the plate to cover the hole for towing? Best bet would be ebay or scrappies.
Hope it helps
Focus C Max 2.0TDCi GHIA 2004 04 plate, LED footwell lights, boot LED light, Map reading Lights LED's and painted green brake calipers, Ford green and black coloured gel badges.
In the pipe line: Twin DVD head rest sets and new stereo.