Was Working in 18 now broken in v 19 Rated 5 out of 5 stars

Since the Firefox version 19 update a few days ago although add in installed the execute button is no where to be found... Please fix love the plugin cant live without screengrabs

This review is for a previous version of the add-on (0.96.10c.1-signed). 

I'm sorry, I can not understand you.
What is "execute button"?