Too much work? They plug into the stock socket, you put the lens back on, and you are done! My comment about fitment was simply their height. Measure stock bulb, get similar height SMD bulb.
Edit: I think I see what you meant, you thought you have to assemble them yourself....you can buy the completed bulb incredibly cheap:
http://www.ebay.com/itm/2-1157-1016...pt=Motors_Car_Truck_Parts_Accessories&vxp=mtr $4.69 shipped for two. As I mentioned though, just have to be careful of height. Those would probably fit, but they were just ones I found quickly, many auctions list the dimensions.
A lot easier than mounting in the bumper, where they will be more exposed to moisture, and don't require splicing.