On the 23.Jan. 2011 I upgraded to JOSM 3751 and had the same symptoms: ***Red error tiles overlaying the Bing imagery.*** *NOTE: I am using a German version of JOSM so the following word translations to English could well be wrong!* I went to "Einstellungen" i.e. F12 (Perhaps "Setup" in English) - pressed the WMS TMS button to go to "Einstellungen für Hintergrungebene" Hintergrundebene" (Setup for Backgroud levels) - The list of "Bilddienste" (Picture Services/Providers) was: ---------- Bing Sat bing:bing Bing Sat bing:bing? LandSat wms:http://onearth.jpl.nasa.gov/wms.cgi?request=GetMap&layers=global_mosaic&styles=&format=image/jpeg& LandSat wms:http://onearth.jpl.nasa.gov/wms.cgi?request=GetMap&layers=global_mosaic&styles=&srs=EPSG:4326&format=image/jpeg Landsat (Spiegelserver) wms:http://irs.gis-lab.info/?layers=landsat& OpenAerial-Karte wms:http://openaerialmap.org/wms/? VERSION=1.0&request=GetMap&layers=world&styles=&srs=EPSG:4326&format=image/jpeg OpenStreetMap tms:http://tile.openstreetmap.org/ Yahoo Sat html:http://josm.openstreetmap.de/wmsplugin/YahooDirect.html? - ---------- As I could not see the point of the second line **Bing:Bing?** I elimated it and after a JOSM restart Bing imagery worked perfectly!

On the 23.Jan. 2011 I upgraded to JOSM 3751 and had the same symptoms: ***Red error tiles overlaying the Bing imagery.*** *NOTE: I am using a German version of JOSM so the following word translations to English could well be wrong!* I went to "Einstellungen" i.e. F12 (Perhaps "Setup" in English) - pressed the WMS TMS button to go to "Einstellungen für Hintergrungebene" (Setup for Backgroud levels) - The list of "Bilddienste" (Picture Services/Providers) was: ---------- Bing Sat bing:bing Bing Sat bing:bing? LandSat wms:http://onearth.jpl.nasa.gov/wms.cgi?request=GetMap&layers=global_mosaic&styles=&format=image/jpeg& LandSat wms:http://onearth.jpl.nasa.gov/wms.cgi?request=GetMap&layers=global_mosaic&styles=&srs=EPSG:4326&format=image/jpeg Landsat (Spiegelserver) wms:http://irs.gis-lab.info/?layers=landsat& OpenAerial-Karte wms:http://openaerialmap.org/wms/? VERSION=1.0&request=GetMap&layers=world&styles=&srs=EPSG:4326&format=image/jpeg OpenStreetMap tms:http://tile.openstreetmap.org/ Yahoo Sat html:http://josm.openstreetmap.de/wmsplugin/YahooDirect.html? - ---------- As I could not see the point of the second line **Bing:Bing?** I elimated it and after a JOSM restart Bing imagery worked perfectly!