You are welcome to download images for your own personal use without permission.
Genuine 'not for profit' organisations/individuals (schools, charities, students) may use images for no charge as long as you credit the photographer and let me know by email (below).
In the unlikely event that you are a profit making organisation/individual and you want to use an image(s). You may do so for your standard fee as long as you credit the photographer (use email below).
mail@uklichens.co.uk. (not a link yet)