These are a couple of very minor repaints designed to fit into my Fusion storyline.
Starscream, vehicle mode. All you can really see here is the repainted tail. I used a dark blue (Inscribe True Navy), and coated it with a metallic blue (inscribe Sapphire), to better match his G1 accessories. You can just about make out his repainted landing gear, too.
Starscream, robot mode. Now you can see the rest of the work. As well as the tail, I also repainted his forearms and the landing gear on the sides of his legs in blue. And the 'ear' vents are now the same shade of grey as the rest of him.
And he can still use his swords! In his backstory, his null rays have been re-engineered. They still work as thay always did, but they now have an additional mode, in which they can project blade-formed null fields which act as swords. These deliver a neural shock in close combat.
Inferno, vehicle mode. Not much has changed with him, except that I've repainted some of his fugly blue bits, as well his head, forearms and hands. Basically, I've just tried to make him look a little more like his G1 counterpart.
Inferno, robot mode. Now he carries a funky (and very versatile) compression cannon. As well as firing blasts of compressed air, he can load it with missiles, connect it to a mains water supply for a high-pressure jet, or link it to his own internal power source and fire laser blasts. Handy bit of kit, is that.