Added thumbnail (2x as large as the one which shows up in the list) to showexp page.
Added heading to vis(shownsfile), showexp and showproj pages, to more readily identify what you're looking at.
Added links from thumbnails to vis(shownsfile) page.
Added submenu hackiness to menu.php3 to allow embedding of things into left panel below submenu.
Removed "red letter" legend and PC  summary from bottom of thumbnail view.