And yes, 45 is a real moment! (The only non-manipulated icon too!) See for yourself!
[x] If you take any of these icons, please credit cool_spectrum
[x] Comments are great, but I don't require them
[x] Please do not edit my icons in any way
[x] Please don't hyperlink
1) Add desired icon to your userpics!
2) Add a Keyword so you can find this icon easily when posting a comment or entry to your journal.
3) Under the "Comment:" section add "Credit goes to <lj user="icon maker's username">
4) Click the "Proceed" button.
5) There you go! You've just credited! The result will look like this:
If you want to make doubly sure it linked properly, go into your user info and click your userpics again.
If you are crediting for the Friends Only banners, use the same format in step 3 and apply that to your profile under the "edit bio" link!