^ Totally agree with you, Samil, do you keven know how to install skins? Can you afford a banana? So think before you post.
OP, you'll need IMG Tool 2.0 and open the player.img and replace the original files with the modded ones. But remember, backup every file you plan to edit!11!!!!1!!!111!11! Just extract the original files to somewhere memorable and replace them with the mod files.