In IE Right click and choose "Add to Favorites..."
(Choose "Create in: Links" if you want a neat-o button.)
Jambis Blogger <--(right-click me)
Then, whenever you are writing a Blogger post just click to button to add the correct code to add Jambis comments.

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In FireFox Jambis Blogger <--(drag me to the link toolbar)

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This is brand new so there may be some bugs.