Step 1:No Icon Text
1. Right click the icon and select "Rename"
2. Now hold the "Alt" key and type "255" and hit Enter
NOTE : It may only work with the keypad numbers.
Step 2:Invisible Folder
1. Right click at ur folder.
2. Click properties.
3. Choose customize
4. Click 'Change Icon'
5. When the icons appear to be chosen, click at the 'blank area'.
6. Actually, the blank area is an invisible icon and many of ppl dont recognize it.
7. Press ok and you will see the folder invisible
Quite amazing.
P.S: Window Vista might have bug . so don't try this.