Great customs, I'd just say to be slightly more careful with the paint application in the future. It helps to boil-pop the figures before beginning to paint them, so that you don't risk accidental bleed-over of the paint onto unwanted parts of the figure. Also, small applications of painter's tape at the edges of where you want your paint to end are a good idea. That works particularly well with the CW figures, since they all have such sharp, clean angles.
Great customs, though! I love the Republic Commando!