Gmail redesigned appeared originally as a Style in Stylish
Please see gumanov's post here
http://userlogos.org/node/898
This original software was produced by
Evgeney Naverniouk
see
http://www.naverniouk.com/
at
http://www.globexdesigns.com/
At some point the author to abandoned the Style and instead made into a Firefox extension
to download please go here
https://addons.mozilla.org/en-US/firefox/addon/8434/
The style was made just to alter the formatting and fonts of GMail
Which now it effects other google pages as well.
I have just learnt from Mafia_Penguin that Google has changed it's image search. It is a big improvement.