There are several ready-made plugins for adding MapBBCode to forums, and some forums have already installed them. This page keeps a list of those forums, so if you are hesitating, it might convince you to install the plugin.

• SPb-Projects (phpBB 2, Russian) — where enthusiasts from Saint-Petersburg follow developments and construction news around the city and in Leningrad Region.
• VeloPiter (FUDforum, Russian) — the main cycling forum in Saint-Petersburg.
• 4х4 Krasnodar (phpBB 3, Russian) — offroading in Krasnodar Krai.
• Skif4x4 (PunBB, Russian) — biggest offroading club in Krasnodar Krai.
• Velo36 (phpBB 3, Russian) — cycling forum of Voronezh Region.
• GIS-Lab (phpBB 3, Russian) — GIS enthusiasts in Russia, primarily open source projects, like GDAL and QGIS.

If you want to add your forum to this list, contact the author.