Google sites rocks!
For the syntax highlighting I have written a ruby script which generates rtf html with inline css that works on safari, open office and keynote (only safari, neither firefox or chrome!). I just have to copy the code, type a keyboard shortcut that will trigger quicksilver to run the script that process the clipboard and put the highlighted code in the paste buffer.
For screenshots, I am using skitch
Changing CNAME record
To use the custom URL wiki.21croissants.com, you must change the CNAME record with your domain host.
Sign in to your domain hosting service.
Navigate to your DNS Management page. The location and name of this page will vary by host, but can generally be found in Domain Management or Advanced Settings.
Find the CNAME settings and enter the following as the CNAME value or alias:
Set the CNAME destination to the following address:
Save changes with your domain host and click "I've completed these steps" below.
HERE ARE MY SETTINGS on site5