Let's say you have a limited user call 'Fred'.
To give Fred access to a particular program go to C:/Documents and Settings/Admin Account/Start Menu/Programs.
You will now see all the icons for the various programs.
Highlight the icon for the program /s which you want Fred to have access to.
Now click (at the upper left) 'Copy this Folder'.
Now navigate to C:/Documents and Settings/Fred/Start Menu/Programs and then click Copy.