1. Plugin 62806 the latest working version, newer plugin generate wrong EDM file header.
U can check this in DCS.log file.
2. Check your edModelViewer file properties:
- If Start in directory is the modelviewer folder, U need copy BMP to ModelViewer/Bazar/TempTextures
- If Start in directory is the DCS game folder, copy BMP to DCS/Bazar/TempTextures