Extract "sIBL_GUI For Maya.zip" content into your Maya Preferences folder, for example on Windows: "C:Documents and Settings$USERMes documentsmaya2011". Start Maya, and you should find a new "sIBL_GUI" shelf. You can add the following lines into your "userSetup.mel" if you want the Socket Port to be opened automatically on Maya startup:

commandPort -n ( "127.0.0.1:"  + `optionVar -q "sIBL_GUI_commandPort"` );

• "p" icon launches "sIBL_GUI For Maya Preferences" window where you define "sIBL_GUI" executable path, Loader Script path and Remote Connection Port.
• "O" icon launches "sIBL_GUI".
• "e" icon executes the "Loader Script".
• "e" icon launches the cleanup function.