I was loathe to try them on, but I too have a pair of skinny jeans that (surprisingly enough) do a decent job of camouflaging my thunder thighs. Mine aren't wider than my hips, but they're certainly disproportional to the rest of my legs. I got the skinny jeans in a very dark wash, but there's a thin strip where the color is washed out going down the front of the leg...I think it kinda works the same way as this does in terms of makeup.
In general darker colors are slimming and I think I've read that bootcuts help to balance off your legs because the flare at the bottom makes the top seem less out of place. You might also consider layering your tops to draw attention up away from your thighs.
I'm moderately fashion-challenged, but I've got some stupidly-shaped thighs and still get compliments on my legs from time to time, so apparently something's working...Good luck.