Add some paint and decals to most of the examples.

I decided to jazz up some of the examples. I wanted to do all of them but ran out of steam at some point.

With the exception of the boosted dart its all just superficial.

Some are nods to similar Estes models, the simple one looks like an Explorer, and the 3 stage one (colors from the Estes 3 stage Comanche) and one of the high power ones looks like a Patriot. 

Here are the ones I changed:

![paint](https://f.cloud.github.com/assets/1305026/249182/7af287de-8b26-11e2-9b9a-9f31850a7eb8.png)