333194fc_Cumulus_ini___CumulusWiki__Function
[Parameter Line Entry] TransparentGraphs=0 [Function] 
Set by Transparent graph backgrounds item in the Display Configuration Screen General block. This only works if the graphs are defined to have a solid colour as background (gradient is not selected on colours configuration screen). 0= Cumulus 1.x.x graphs colour is defined in graphs block on Colours Configuration screen (default) 1= the graph images that Cumulus 1.x.x creates for upload to a web site will be processed to make the background colour transparent.
Cumulus.ini - CumulusWiki
Function