Courtesy of Davis Saltonstall Courtesy of Davis Saltonstall Tessa Rosenberry of Camden-based ScrapDogs Community Compost stands next to a tower of 5-gallon buckets that customers will fill with kitchen scraps. Rosenberry and partner Davis Saltonstall will pick up the buckets and turn the scraps into high-quality compost. Davis Saltonstall and Tessa Rosenberry of Camden have a thing for garbage. Or, said another way, the recent college graduates have a thing about the environment and would like to make it easier for Mainers to turn their kitchen scraps into nutrient-rich compost.