Please upgrade to 2.2 here.
The 2.0 and 2.1 branches are no longer being updated.
How do I add Breadcrumbs to my Vanilla Install?
This discussion was created from comments split from: Adding Page and Breadcrumb
There are several other threads about breadcrumbs on the forums, but they haven't been answered. Rather than kicking an old topic (8 months!), it's better to start a new one and let's hope someone has an answer this time.