Afaik OSM is an scene format. Flow still uses the OGRE mesh format for meshes but you can use the FlowED to contruct levels from meshes and save them as OSM.
Flow3D Compatibility update: GL issues fixed.
Miscellaneous Forums/General Discussion/Flow3D Compatibility update: GL issues fixed.The forum is locked. These are the original blitzbasic.com forums, kept so they can still be read. No new topics, replies or edits can be made here. To join in, head over to the Blitz3D+ forums.