Customization Available Settings CROPDUSTER_JPEG_QUALITY The value of the quality keyword argument passed to Pillow's save() method for JPEG files. Can be either a numeric value or a callable which gets the image's width and height as arguments and should return a numeric value. CROPDUSTER_PREVIEW_WIDTH, CROPDUSTER_PREVIEW_HEIGHT The maximum width and height, respectively, of the preview image shown in the cropduster upload dialog. CROPDUSTER_GIFSICLE_PATH The full path to gifsicle binary. If this setting is not defined it will search for it in the PATH.