Change the look of orkut by installing these cool looking orkut skins.
But first You need to install:
1. Firefox Browser
2. Greasemonkey Plugin

You can see an awesome collection of cool looking orkut skins here, and all of those can be downloaded from here.

“Inside Orkut” has also featured some good orkut templates
namely pinkut, bluekut, creamkut etc. etc.

How is it done?
Greasemonkey is used to add some extra bit of coding to webpages, coding is done in javascript. So all these scripts are coded in such a way that on being properly installed they will execute themselves whenever you visit orkut.com page. I myself is very fond greasemonkey userscripts and event tried my hands on it a few days ago. You can read more about greasemonkey plugin for mozilla firefox here at en.wikipedia.org/wiki/Greasemonkey

You can make your name invisible at orkut with this simple cool trick. Just follow these steps:

1. Open your orkut profile
2. Click edit profile
3. Click the textbox where your first name is given
4. Delete the so written text there
5. keeping the cursor inside the textbox
6. Hold down Alt, keeping it down type 0173 from keypad
7. Now do the same thing with your surname if you want to
8. Update your profile

Note: The keys should be pressed from the keypad given below the “Num Lock” button, not from the keys given above the alphabet keys.

Done .. !!