What you're looking for is expensive!!
Some of the suggestions included decals, which is a great, cost effective way to get this done. There are sites that have the necesary paper to print decals on an inkjet, then like another said, you could shoot the baits a single color, maybe two, then apply the decals, I'm referring to waterslide decals, but could do plain stickers, I suppose. The clearcoat hides the edges of the waterslide very well.
Hagens printing out blades is a good idea too, the onyl negative I can think of is they won't really look like much unless they are attached to a spinnerbait, which has hooks, not the best thing to pass out to family and friends at a wedding, they might get a bit jealous
If you want a 'trap, look to hagens or Jann's or Stamina for the smooth traps, they run $1/each in small quantities, less in more, then you could apply a sticker to that (would need to be smooth!), and clear, maybe even some paint to spruce it up a bit
I'm jealous! My wife is so extremely indifferent about fishing! If I can help, let me know, I can paint, apply decals, clear, etc.