Make a folder named "My Computer.{20D04FE0-3AEA-1069-A2D8-08002B30309D}" and you have created your own "My Computer"
You can also put files in there, which is a (cheap) way to hide files.
Another one:
Create a folder ending with ".{0003000D-0000-0000-C000-000000000046}" and the folder will change to a WMP icon.
Right click on the folder and click explore
Some more:
code:
Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}
Internet Explorer.{FBF23B42-E3F0-101B-8488-00AA003E56F8}
Recycle Bin.{645FF040-5081-101B-9F08-00AA002F954E}
My Documents.{ECF03A32-103D-11d2-854D-006008059367}
Fonts.{BD84B380-8CA2-1069-AB1D-08000948F534}
/ 
