Fire texture - http://suicidecrew.deviantart.com/art/Fire-Seamless-tile-116721709
Screen Space Curvature - http://madebyevan.com/shaders/curvature/

Grass Blades texture from:
http://www.fuzzimo.com/free-hi-res-ornamental-grass-blade-textures/

Keep them coming, contribute today! 
http://amplify.pt/unity/amplify-shader-editor/contribute