Here's a before and after on my pistol. A friend and I tossed together the old design, and I took a bit of time to redesign and paint a new digital design. I'm no artist and it's rough, but better than it used to be.
The old, basic design:
The new design:
I added a bit of yellow to the sights for quicker sighting.
Nothing special or professional, but I like the personal touch.