[Gimp-user] Previews in scripts or plugins

[Pere Pujal i Carabantes]

Hi all!

I've created a script-fu and now I am wondering if I can add a preview
for it like many plugins have.

Is it possible to have preview in script-fus?

If not, I can port to python, is possible to have preview in python
plugins?

And if not, I can try to do a wrapper from C via gimp_run_procedure2.
This will take much more time as C is far away from my knoledge.

Can someone point me on the right direction? and to some example?

Thanks
Pere