Using the new 4.4 Module builder I've started to make available a list of telerik JustCode templates.
First up: Sitefinity Custom Designer Script (contains samples)
NOTE JustCode Q3 2011 SP1 or greater required as they revamped their template engine.
EDIT
For those who don't know, JustCode is teleriks visual studio productivity addon. It's included in your Ultimate Collection, and also I believe Premium Collection (or standalone license)...it's like teleriks version of CodeRush\R#.
Feature Matrix
So this is a video of what the first template I added does:
Note 2020-09-24
Telerik discontinued the product a while ago, I recommend DevXpress Coderush instead.