Monticello ad distribution

Hi,

I'm trying to get into Monticello usage right now. 
I'm using Magritte and MagritteGlorp for my project.

I loaded all packages for magritte from lukas' site.
Then I installed MagritteGlorp from squeaksource which
has an own version of Magritte-Model. Now I did a change
to Magritte-Model myself. Where do I put the package?

I would like to put it on the official (lukas') repo. But
I'm not sure how to do it. Packages have information
about the package version they are based on. But the
version numbers in MagritteGlorp aren't present in
the official repository. What would be the result of
putting my changed version on the official repo?

Is there a standard workflow for this? I doubt that
package have any reference that they know where they
come from. 

thanks in advance,

Norbert