Initialisation class "curl" vary the size of the curl by adding isize followed by the desired size in percent: Curl size class "isize" - min=0 max=MinImageDimension default=33 vary the paperback color of the curl by adding icolor followed by the color: Curl color class "icolor" - min=000000 max=ffffff default=0 vary the shadow by adding ishadow followed by the opacity in percent: Curl shadow class