HOW INSTALL THE SCRIPT

You may move them in your script folder usually in 
VISTA  C: /Users/yourname/.gimp/script
XP C:/Documents and Settings/yourname/script

You may also, as alternative move the folder whatever you like and
 
1 load gimp
2 Enter in Edit/Preferences/Folder/script
3 Click there "NEW FOLDER" Icon and then the SEARCH button
  (labeled with 3 points "..." ) to add the path for the folder
Then you may just refresh the script (From Filter/script fu ) or
reload GIMP


