You can contribute to a local charitable organization and receive a tax receipt for your green dollars. The organization can then use the donated local currency to acknowledge volunteers' work. Need community development to use LETS to its fullest. It's a lot like regular money, but you don't need someone else to employ you. LETS money is not scarce.
Experience shows that in process other work begins to become more highly paid.
Works better with second hand items. This is a community issue. Perhaps a more simple idea would be to donate time to a municipality instead of taxes e.g. cutting grass. Issue of protest from labour.