For people who DONT know how to make Iwd's here is a quick tut.
1 To archive the file place it in C:\Program Files\Activision\Call of Duty 4 - Modern Warfare\Mods\ModWarfare\images Then double-click the makeMod icon that will create the .iwd file for you. Once the Batch File completes its operation press any key to continue.
2. Copy and paste the z_modwarfare.iwd file, which now contains the new iwd.
What does this Tut do? It shows us how to make iwd's
GET CRACKIN FOO!
To get your skins working online for cod4 follow this mans guide - here
This is a bad tutorial.
Make pictures and show what you did, and tell us EXACTLY how to do it.