For Simpsons fans, or to encourage you to become one, a selection of signs just hanging out in the background from various episodes. These are in no particular order, and there are many more available - follow the links at the bottom of the post.
There are, of course, many more of these - these are just some that caught my eye. Lots more are available here, here and here. Previous Simpsons posts and links:
“Kids, you tried your best and you failed miserably. The lesson is, never try.” Parenting advice from Homer Simpson
Compilation Of Every Video Game From The Simpsons
Matt Groening, creator of The Simpsons, in 1969 film with sisters Maggie and Lisa, made by his father Homer.