The flashlight idea's kinda cool, and it could be a simple USB charger.
I'd get it with a melon, then rotated 90 degrees, some cherries, then moving 90 again, a bell, then lastly, a Jackpot logo.
Just so I could put coins in my mouth, spin the eye in its socket then open my mouth.
Or have a few different designs on the same eye, so you can rotate it to fit your mood.
Most of all tho, I'd like to say congrats for being so damned optimistic about this.
Not nearly enough people lose a body part and thing 'Cool, this is my chance to personalise myself!' and I commend you, I think if I so much as lost a toe I'd sit indoors crying for about a week, so it's great to see such positivity.