Want to modify my bike

I have purchase Yamaha SZR bike, the bike is great gr8 comport superb speed awesome balance, gr8 breaking system only problem is no mileage:(. But iam not worried about it coz iam not in that stage that i cannot fill petrol in bike:happy:. The the look of the bike is bit :eek: i wanna modify it not physically but by some graphics like my bike is white in color now frnds tell what type of graphics can i use to modify it differently:D