SGPL / SortGPL / GPLish
Sort of Gnu Public License.

Due to lack of time, effort, skill, money or power to understand or apply licenses properly, 
this license is meant to be very similar to GPL. 

Basically anyone may use, modify, distribute this code as long as these steps are honoured:  
proper acknologement is made to the code writers; 
not used for commercial use without separate approval; 
distributed modifications are submitted back into project.

Further advice on extending or rewording this license is appreciated.