how to insert VI from library to function palette?

Hi all,

  I create a project to compile bunch of VIs as lvlib and only export some libraries as public. I wonder how can I export the public VIs into the function palette? I try [Tools] -> [Advanced] -> [Edit Palette Set], I create a new Palette but when I insert VI by selecting the lvlib, it doesn't import the exported VI. I wonder if there is any way I can import the public VI from a lvlib into the function palette. Thanks.