Last year, an art exhibition in Andreas Deja's honour was held in Dinslaken, his German hometown. The city set up a website in celebration of the occasion. It's in German, of course, but there are two art pages which I believe are interesting for anyone interested in his animated art.
http://www.andreasdeja.de/Andreas_Deja_Beginn.htm
His life drawings.
http://www.andreasdeja.de/Andreas_Deja_Zeichnungen.htm
Cartoony stuff.