Here's the first few tutorials I've got for people based on requests from ask the maker!
I should mention that I use GIMP, and there isn't a difference between Soft Light and Overlay, at least that I can tell. So be sure you check to see which one looks better in your program, because I will always say "Overlay" but it could be either for you.
Also, I'm almost always working from bottom to top. So I will list the lowest layer first, topmost layer is last.
( Aviator IreliaCollapse )( Trauma TeamCollapse )( Sailor NeptuneCollapse )Please let me know if something doesn't make sense or if you have questions!