"I've heard about this neat Performancing Firefox extension and I want to use it with Nucleus."
where "yoursite.com" is your domain and "blogdir" in the directory in which you installed Nucleus.
There are some known issues with posting using Performancing, mainly that it automatically disables commenting on the item you posted with it, even if you have comments enabled in your Nucleus blog settings.
Original forum thread (thanks, xiffy!):
Total votes: 5 - Rating: 8.40