help for showpage with only images

At the top:  you see the icons for general use:

• Go back to "where you come from"
• To the helppage (this)
• Ask for  information of author and copyrights (rollover)
• Title information and image information
• Enlarge all icons, if you have a touchscreen, or tablet and like pointing with your fingers. 
• Reduce all icons, if you want more room for  images.
• Language for tooltips (Click to change)
• Open the a (new) page with image-icons included.

The Image.  

The image-dimensions are precalculated, based on screen resolution. You can create a better fit by changing icon size and/or  image size .

Above  you see a lot of icons for image-handling:

• Show the first image. 
• Show the previous image.
• Show an image at random.
• Show the next image.
• Show the last image.
• Enlarge / reduce  imagesize to fit.