If Flickr is being blocked in your workplace, you can try to access it using the secret FlickrMud.
Mum’s the word on this. Don’t share with your internet technicians. Maybe it will stay unblocked.
Instead of going to http://www.flickr.com/photos/onetimesilence
Go to: http://www.flickr.mud.yahoo.com/photos/onetimesilence

This is a Photosynth that I made from World of Warcraft – Icecrown Citadel area using screenshots from the game. I took these shots using my Blood Elf Priest, Suntao, on the Boulderfist realm.
http://photosynth.net/view.aspx?cid=3bdb79b7-c6f9-4a68-9973-bf4e770dc46d

This is a photo I took in August 2004 at Buffalo Point’s Indian Rock House at the Buffalo River in northern Arkansas. This shot is from inside the cave.
Jump to Google Maps to view the area.