Your paint looks fine...don't do something stupid. If you really have to, though...Spray cans are going to cost a LOT to get enough of them. IF thats original paint you'll have to sand it down with 220 grit. Then get that paint CLEAN (use acetone and a rag to whipe it down after pressure washing it). Then tape off places you don't want to get overspray, take of the fenders and bumpers so you can paint them seperatly and get in between the panels. Spray a nice thick coat or two of Duplicolor paint, allow to dry for almost an hour, then spray a heavy coating of Duplicolor clear coat over it. Make sure to use the clear coat made for the type of paint you are using. Then you'll have an absolutely fagtastic and half-asses looking paintjob, and thats the best way I know that you can do with spray cans. After 48 hours when its all cured you can try to have it detailed...but its gonna suck.