Thumbnails like windows on the desktop

I hold to underline than I am a beginner about of FVWM.

An example of file .fvwmrc would like fvwmrc to the screenshots of Nuno Alexandre (not recognized at for examples .fvwmrc and screenshots) , in which the thumbnails I am of the small windows activables with the mouse from the desktop…
It have perhaps some link to advise me?

Welcome to FVWM,
you might want to check out this link

Thank you Dizzutch!
Im’ sorry for my english!