%ICON{"name"}%
generates the full HTML img tag. Specify image name or full filename (see ICON for details on filenames.)
%ICONURL{"name"}%
%ICONURL{"arrowbright"}%
returns https://wiki.astro.ex.ac.uk/pub/TWiki/TWikiDocGraphics/arrowbright.gif
%ICONURL{"novel.pdf"}%
returns https://wiki.astro.ex.ac.uk/pub/TWiki/TWikiDocGraphics/pdf.gif
%ICONURL{"/queen/boheme.mp3"}%
returns https://wiki.astro.ex.ac.uk/pub/TWiki/TWikiDocGraphics/mp3.gif