I have this issue myself, but don't think too much about it. Have been thinking of adding some double sided tape to keep it stuck to the thigh. Haven't tried it yet though.
I'm happy he's dead, but as a lot of experts and politians have said, in the war on terrorism, it doesn't really change anything. But I'm also happy for the families of the victims that they can have some closure.
Shouldn't be any trouble here, but since the cocking handle turned out to be must have, I think you'll need a picture of the other side of your blaster.
Awesome armour btw, mate!
Maybe this is old news, but I found that there is a pack of action figures including this girl, and while it differs slightly it appears a bit similar and here's a pic of the back plate.
Source: http://www.rebelscum.com/TLCExJokerSquad.asp