There are lots of tuts out there, but I just made my own tree, freehand. It was really quick, just made a 7 ft. column of chicken wire (1 in.) and wrapped chicken wire into the shape of branches, and attached it to the column with small wire. Then, I covered it in phonebook pages, dipped in this recipe: Ultamate paper mache'. Here's where I am right now:
Pavel Pro: 1. Interesting, unusual approach with overall accurate basic solids. Soft material and abstract texture, made with spirals. 2. There's a good variety and irregularity among the inner elements of each piece: things vary in size, position and proportion, which provides fun and informality. 3. The slightly higher level of conceptualism and the original approach help brake the phycological apathy the viewer might have, which adds interest.