set image format for dynamic service

Discussion created by lukepatrick on Aug 4, 2011
Latest reply on Aug 4, 2011 by njarecha-esristaff
With a tiled service I can force the image type by the image format specified in the cache settings. however, when I add a dynamic service I seem to get the default format of PNG8, I need PNG32 for the transparency in the service. How do you set that?