WINNER OF THE AWARD FOR LEAST POPULAR THREAD
AT THEDADDY.ORG FORUM MEET 2006
For added points, you only get to use the default colours in MSPaint.
I cheated slightly by changing the horrid orange colour to a bad approximation of skin-tone pink.
I tried not to leave anything showing through, but if you're good with photoshop, you could draw onto another layer over the original picture, then remove the original...