Mine is an old Gary Fisher Aquila Mountain bike.. Mine has been a very interesting installation so far due to a number of issues with the design of the bike.
If you check out the Rotten Orange Gary Fisher build in the photo section, theres a whole thread about it with lots of photos. Here's a link:
Rotten Orange build - Gary Fisher Aquila shifter buildup!
For most bikes, this shifter kit is a pretty simple installation, but you can read about how i'm solving some issues that I came across solely due to the way my bike was built.