I've used the VHT Nite Shades before and wasn't really happy with the finish. Best thing to do is use tinting film for the better finish. I've used tinting film for my rear lights:





They were from empiregfx.com. With the front indicators though, you could just grab some Laminex or similar tinting film and apply it. The film from empiregfx.com may be easier to apply, but they're quite a bit of money for what they are.

Oh, and applying the film isn't messy at all. Just have a blow-dryer and detergent solution in a mist spray bottle with you when you do it, and you can easily work the film around curved edges and the like without having any creases.