I did my search in Flicker -- Libraries/Librariens on "English"and got this picture:
http://www.flickr.com/photos/amywatts/2457197894/

I like the author's description.
Tags were: signs, swahili, french, arabic, welsh, spanish, english,

I checked other pictures with "signs" tags. Some of them are interesting:
http://www.flickr.com/photos/vblibrary/4993073773/
http://www.flickr.com/photos/annethelibrarian/2397490314/