Creative Commons / Public Domain artwork used with permission. Mnay thanks to the authors for sharing! http://denmanrooke.com/creativecommons/ https://openclipart.org/detail/191869/up-button-arrow-by-haxxorsaurus-191869 http://syntetyc.deviantart.com/art/Waterfall-forest-214723814 http://syntetyc.deviantart.com/art/Green-Forest-206321928 http://syntetyc.deviantart.com/art/Sanctuary-Forest-207795795 http://syntetyc.deviantart.com/art/Deep-Forest-204641620