I firmly believe that it should be a condition of claiming their benefits, that people who are out of work, (other than the disabled) should be made to do a certain amount of hours per week, doing tasks like litter picking, sign clearance, etc.
This would benefit the community they live in, not only in the appearance of the place, but also by helping to support their local Council in order to save tax going up even further.
I bet if this were a condition of claiming their benefits, those that are simply shirkers, would soon find paid employment, rather than do this type of work.