Lastest news:
4GB SMOS linux launched! http://t.co/ASn3hGqcCL less than a minute ago

http://www.smos-linux.org/download

IMG file SMOS linux for 4 GB USB or bigger (zip compressed)
http://smos-linux.org/smos-linux1.0-4GB.zip
IMG file SMOS linux for 4 GB USB or bigger (7z compressed)
http://smos-linux.org/smos-linux1.0-4GB.7z