I've been trying to deal with some stone ships and a longer chip on the top of a wing. Using Chipex I've usually been able to flatten the new paint but for some reason, probably the hot weather, the paint dried too quickly to flatten using the kit. After trying mild rubbing compound and getting nowhere I've ended up very carefully using P2500 wet and dry paper to flatten the paint followed by rubbing compound and then something I've not used before but seems quite impressive... Farecla G3 scratch remover. This seems to be quite gentle in action but clears up any small scratches. I then finished off with my favourite polish...Meguiar's Ultimate Compound and then Meguiars Carnuba Wax.
It might all be a bit too drastic for your marks Steve.....you could miss out the wet and dry...and probably should!
Jays Former Morgan owner. Gone but hopefully not forgotten!