I know. Not new icons. School just started and my schedule just imploded into negative free time. But I thought I'd use the little I do have to do an instructional post.
Warning! This is especially for images that are overall too much of a dull yellow. Made mostly to get a semi-realistic skin tone. It's gonna look really odd with normal caps...like an explosion of neon blue. Examples of caps in the cut.
Go from this:
to this: 
Made with CS2. NO SELECTIVE COLORING. Presumably translatable. 7 steps.
( No hablo French. )
Also made with this tut:

Warning! This is especially for images that are overall too much of a dull yellow. Made mostly to get a semi-realistic skin tone. It's gonna look really odd with normal caps...like an explosion of neon blue. Examples of caps in the cut.
Go from this:
to this: 
Made with CS2. NO SELECTIVE COLORING. Presumably translatable. 7 steps.
( No hablo French. )
Also made with this tut:

14 illusions | it's not a trick...
to 
good
to this
or this