This can be used for continious shows. Values are forward and backward . This can be useful if you want to jump to a slide in the middle of the show. This can be used to set an appropriate scale based on screen resolution. A value of 0 is normal size, negative numbers reduce the image size and positive numbers increase the image size.
Values are enlarge and reduce .
If you don't specify one, the default design file will be used. Please re-read the definitions if you are unsure. If you can not resize your images, or the height and width tags are set to zero, it means that you have not defined the paths correctly. Not setting the perl path correctly at the top of the script. Not having the script in the proper CGI directory.