The other day I painted my garden fence with one of those Cuprinol paint sprayers.

The cars were parked, what I thought, was a good distance away, and there was little or no wind...or so I thought

Our cars are now covered in little green speccles

They do come off but I have to scrub fairly hard, and it is taking ages. I have tried standard car polish but this doesn't really help, and I'm thinking that turps will be too harsh

Does anyone know of a product out there that would do the trick ?

Thanks in advance

 

Try a claybar mate.

 

Id try autoglym paint renovator. I had alot of oxidation and it brought the paint like new.
It should work.

 

As already said a claybar - I did the same and ended up with brown bloody dots all over the place - also note some were tough to remove and with having to rub a fair few times it marred the laquer so had to re PC the car again using final polish 2 and a polishing pad

 

Claybar will remove stuff like that no problem at all, make sure you use plenty of Lube, Halfords sell a Meg's clay kit with QD lube for around £12

 

Yep, claybar for sure. See this guide for why and the correct method to use...

Car Care Advice - How to clean your paint in preparation for polishing or protection