http://clotheslinetinyhomes.com/house-photos/ - Here is a couples build up of their micro home with a very nice tour of the inside. They went the inexpensive route instead of using teak and other expensive finishes inside.
http://lloydkahn-ongoing.blogspot.com/search?updated-max=2012-11-27T07:00:00-08:00&max-results=20&start=60&by-date=false - Is an eclectic blog that has a lot of micro home links.
http://inhabitat.com/tag/micro-home/ - another site that has a lot of more modern and clever as well as just artistic micro home examples... Some of these are way out there.