What's a good website to purchase "vertical" style flags?

Question

I'm looking for more specifically, a vertical variant of the City of Jerusalem municipal flag.

Answer 1

These's probably won't help you, but I did try.
http://www.flagsfantastic.com.au/html/custom.html
http://www.flagco.com/messageflags_assorted.shtml
http://www.crwflags.com/fotw/flags/il-jerus.html