Anyway, sadly dragging back to the original post and all the great feedback the most experienced customisers here have given me:
I think the Z Force guys would benefit from a red undershirt by the collar, make it look more like an overjacket - also the black hands aren't right, I'd suggest flesh or green.
Perhaps you should have used a flat red paint instead of the gloss on the Z Force guys?
I've taken all this great advice on board and modified the z force customs:I`d have to go with Goldbug on this one, a matt red would probably go better with
the green.

I've put the original arms back on - sorted! Maybe I'll paint the bobble hats black too.....
Fear not, though, those red arms haven't been wasted:

The Black Major now has nicely painted red arms and legs! Again, much better. I think that's the beginning & the end of my painting endeavours. I'll leave it to the experts.
Muchos Regardos,
Paul


