The coding it's self is fine, but I don't think your lockin the alpha channel, AKA, locking transparency.
When you color in the mane, make sure you lock the transparency!
There's a tutorial in here:
Click Me! (http://www.feral-heart.com/index.php?option=com_jfusion&Itemid=2&jfile=index.php&topic=34682.0)
Oh goodness thank you! xD I thought it was something to deal with the colouring and such.. didn't know it was a transparency problem.. Finally got all my mane problems fixed..
No problem! I'm glad I could help. :)
Good luck with your preset!