On Thu, 27 Apr 2006, John J. Trammell wrote:

> It is a common misconception that it violates the terms of the GPL to 
> sell GPL'ed code.  It is totally within the terms of the license to sell 
> GPL'ed code.  If you are not altering the GPL'ed code (and it sounds 
> like you aren't), you have nothing to worry about.
>
> http://www.gnu.org/licenses/gpl-faq.html

If you are altering the GPL'd code, you still have nothing to worry about 
so long as you are sharing the code along with the binaries and your 
edited code is also licensed under the GPL.

Mike