Erich Kaestner Museum
background and photos, available in English and French as well as German.
http://www.erich-kaestner-museum.de/index_a.html

Very nice pictures for teaching! There is one Spielplan for Emil und die Detektive
Click on Spielplan
http://www.illumann.de/illuman%20Site/index2.html

Emil Musicals, includes MP3s of songs
http://www.adenberg.de/Musicals/Emil/emil.html