MikeM: Thanks! It's pretty easy, DoogsATX linked an article he found on how to do it and I just followed him.
1). Paint model gloss black.
2). Paint model with Alclad airframe aluminum. It's shiny and the black will show slightly though making it kinda dark.
3). Paint the centers of the panels with Alclad aluminum. It's lighter and will give a highlight effect.
4). Spray a few misting coats of aluminum over the whole model to bring down the contrast till it looks right to you.
Doogs has more as well as photos on his website, I think it's linked on the bottom of his posts.
Actually my MiG-25 is the old kit Revell kit, I think it's the same one that came in the box with I think a F-15. This kit was designed back during the Cold War so the detail is pretty sparse. But it looks like a Foxbat to me!