Considering you have already added the repositories for Docky, do this:
No I haven't done this. I don't know the url for this repo.
When I followed your instructions, I got this after sudo apt-get update:
Reading package lists... Done
W: GPG error:
http://ppa.launchpad.net intrepid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 60487016493B3065
W: You may want to run apt-get update to correct these problems
When I tried to install docky, I got this:
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Couldn't find package docky
Thanks for your help. Still no luck.
Edit: Apparently, Synaptic won't use any repos that can't verify the public keys. Therefore, I can't use the repos I added for the KDE 4.2 pkgs.