How about this one? I know you've posted it at least once before, probably more. Odd-Ball Picture of the Day Methinks thou dost need to bitch slap thyself.
They are used to indicate that parking or overtaking in pedestrian crosswalk zones are not permitted.
You do the search. I don't have the time or the patience but I know I've seen that picture posted on here before and I'm sure many others have too.
I'm not searching shit. That's like protesting a rider and then saying it's on them to find the rule they violated.