I saw a similar question in this forum, but it was with no response.
I saw your answer:
Do the placemarks show up when using TwentyTen? yes
Do the latitude and longitude show up on Edit Placemark page? yes
What version of the plugin are you using? last version
Can you tell me the URL of site so I can take a look at it? is in local
It looks like Bizco includes a Google Map of their own, which could potentially cause a conflict, but I'll know more once I can see your site.
I use raindrops and it has the same problem.
wait your response