Some more inspiration...

http://www.hasenkamm.de/
http://elephantart.blogspot.com/
http://tiagorovida.blogspot.com/
http://scarycute.blogspot.com/
http://emmanuellewalker.blogspot.com/
http://flipbookanimation.blogspot.com/
http://erickdesigns.blogspot.com/
http://antoniosantamaria.blogspot.com/
http://ernestagullo.blogspot.com///
http://neoplastic.blogspot.com/
http://studioalcarriadelantado.blogspot.com/
http://carlosruano.blogspot.com/
http://jakolobo.blogspot.com//
http://natepacheco.blogspot.com/
http://www.wannabeartist.com/blog/
http://andreablasich.blogspot.com/
http://alexandraboigerillustration.blogspot.com/
http://thesmearcampaign.blogspot.com//
http://www.jeffreythompson.blogspot.com/
http://shaz-lym.blogspot.com/
http://park-box.blogspot.com/
http://www.louisgonzales.com/blog/
http://roseandisabel.blogspot.com/
http://derbloggy.blogspot.com/
http://animatedlife.blogspot.com//
http://karenmolin.blogspot.com/
http://tehpach.blogspot.com/
http://onesickindividual.blogspot.com/

Door opens a door, which opens a door, and another door....