How to install a themes for my motorola L7

Problem:

i have a motorola L7 and i have having a hard time to install a new themes or skin for my phone.. and my phone seems so simple i dont know how to install a theme for my phone. plss help me with this problem

Solution:

1. Dude download skin manager for motorola L7 and you will be able to install the skins
2. skin manager may crupt ya cell software....pain in the head man...