ok this one i had found on the forum of a FLyff server that i use to play and i figured i would post it here for people.
credits for this tutorial go to Abbe (2d/3d developer for fly for democracy)
1. first you will need to download Paint.NET and photoshop or other image editing software.
Paint.Net link:
Paint.NET Free Download
you can google photoshop torrents to get photoshop. i myself had bought cs4. so i will not provide a link. sorry.
2. install Paint.Net and photoshop. derrr
3. go to your client folder and navigate to Model/Textures
4. for this tut i will edit Part_maleCloakAccord.dds, so find it in the texture folder.
5. once found open it with Paint.Net

By
rynokabbage
6. save the file as a jpeg and close Paint.net
7. open the Part_maleCloakAccord.jpeg in photoshop.
8. edit however you want it to look.
i made mine look like this. you can laugh if u want its horrible i didnt take my time on it.

By
rynokabbage
9. now save it as a jpeg with the current name Part_MaleCloakGaia.jpeg and close photoshop.
10. open the new edited image with Paint.net
11. save the file as a .dds file, so its Part_maleCloakAccord.dds
12. copy the Part_maleCloakAccord.dds file and paste and replace it in the Texture, TextureLow, & TextureHigh folders.
now open your game and you should have a new cloak. sweet!!!

By
rynokabbage