hey guys ,
The tar file is not corrupt at all . I downloaded the tar file onto my desktop and was able to untar it .Its pretty simple .First of all , this tar file is not in gzipped format .Its just in tar format .So , just untar it .
Follow it ...
tar -xvf sth-default-1.2.tar.gz
Thats it .. it shall work if it doesnt .. i will quit this forum forever ...