camera cops getting worse

[xr8man83]

today i was driving down the highway and i was getting a few people giving me the old flash of the lights trick but that didnt bother me to much as i was in the work ute and its fairly guttless and is harder to go the speed limit then actually speed in it. Any how I just kept driving keeping a eye open to see if it would be a police officer with a gun or a mobile speed camera. I come around a curve in the highway coming into a small town and i spotted it. It was about 10meters of the road in the scrub half covered by long grass and low hanging branches of a tree, but to top it off it had a big yellowish greenish towl covering half of it so you couldn't see the police decals down the side of it till you were at the bonnet and it was to late. Now i thought that they had to be on show with there sign out so you can see it (wich they never do!) i was thinking about turning around and taking a pic of it with my fone to post up but i wasnt sure if that would be legal and i didn't really have the time. What is it like in other areas? they seem to be getting cheeky up here!