March updates

[stevebowers]

For a start, the Panvirt topic page has one completely abstract image by Keith Wigdor, which doesn't really give a good flavour of what Panvirtuality is about.
https://www.orionsarm.com/eg-topic/45cfd1ff68f47
Keith has some better images in his gallery, but for the Panvirts we don't really want any human-related elements at all.