Lemke Software made GraphicConverter 5.1 available for download from their Web site on Wednesday. GraphicConverter is a tool for converting images from one format to another and manipulating them. This update offers a long list of changes, including improved compatibility with Photoshop plug-ins, extra options for picture downloads from digital cameras, the addition of a glass blocks effect and various other bug fixes and enhancements. The upgrade is free for registered users. New users can purchase GraphicConverter for US$30, or $35 delivered on CD.