There are not many guides out there on the internet when searching for this, and nearly all the results on Google is from 2007. (And the 10 out of 10, I tried did not work)
Example of shared.xml (Click to see large version)
So here is how you do it! …with the latest version of Skype! And that works with ANY user that logs into Skype on your Mac (under your Mac User account).
You need to edit this file: /Users/USERNAME/Library/Application Support/Skype/shared.xml
This can be done in many ways, just choose a editor you like (TextEdit, nano, vim, etc.)
