Here in London we like to collect Parking Tickets from this friendly revenue collectors :(

http://www.flickr.com/photos/8586443@N03/2246348650/in/photostream/

http://www.flickr.com/photos/canonsnapper/369225811/

Metal Micky's on Wheels !

They even have them on Telephone Boxes.....

http://www.flickr.com/photos/dmcl/41253445/

Where is the required sign showing who is in charge of the cctv etc, for DPA requirements? Or is it somehow exempt from the signage requirement?