A couple points to consider:
- What do you need the money for?
- Is your contribution really so valuable to the Perl community that they should pay you for it?
- You say you have "a module on cpan." Have you looked at how many people also have modules on cpan? Many of these people have made multiple major contributions. What makes your contribution stand out?
- As stated before, even key players like Dan and Damian may not get grants for their excellent work (thanks guys :). That's not even considering these people or the many other most excellent developers who provide you with a free language.
I guess this basically boils down to, why should you be given a grant over others?