Questions on interior trim

I have a mishmash of interior parts that will need painting to match the rest of the green car. Is there anything special needed paint-wise to change colors on these things? So far, I need to paint all the arm rests and the steering wheel. If this is a special paint, who sells it?

Also, is there a good way to flatten an interior panel? I have the rear seat panels off a 69 2-door Dart, but they are warped somewhat. The vinyl on them is OK if I can flatten them back out. Maybe just let them sit with some weight on them for a while? Get them wet first then press them?

Inquiring minds want to know...