Help with an Alpha Problem

Alright so heres the problem... I want to get rid of the shield that the guy is carrying because I have another I want to attach using special fx. I alphaed out the front and back pieces to the shield or so I thought I did. When I got in a game it came out like the pictures below... It appears that from the front there is this huge red shield (team color im sure because I made a blue unit and the shield was blue as well). However, from the back you can see right through it and it appears that there is no shield at all which is what I wanted. I just don't have a clue what's going on with the team color just taking the whole shield instead of having nothing there. If anyone knows how to help me please do, I appreciate any help. Thank you.

Here I attached the captain model with no team color.

PS: I like the skin, any chance I could use it? (I can picture him with a nice mace)

Lol, I also was thinking of using a mace I saw if I can't get this reanimated so he attacks right with the spear. But anyway, what would I have to do now just copy and paste the skin I made over this one?
Duh... NM I just realized it was a model thx.
And sry but unfortunately you can't I'm making a map with someone and we're using the skins I'm making.