Frame and reflection is the main element in this image. I really like the puddle reflection, because it represent the quiet environment and thinking deeply.

Good advising, and soot is good idea to show how damage is it. Burning everything and burning process both pass information to the audience. Smoking is harmful.

Crazy idea and good promotion 

Trees and grass apply on the frog. Mix each element which is from nature.
collage is good way to communication ideas.