Here's good program that you can use to add picons to display in your menu, epg and bouquets. Once you start the program and load your lamedb, you can download picons from Lyngsat and match them to your channels. You will also need to download and install:

MS .NET Framework 4 - [Only registered and activated users can see links. ]
MS SSCERuntime-ENU-x86.msi - [Only registered and activated users can see links. ]

A big thanks go out to the author!