Printing on Leather

I am not sure if this is the correct place to ask this question, but it doesn't seem to fit in any other category. In my apartment, I am discovering that there is moisture coming in through the floor somewhere, because I have two pairs of leather sandals that were on the floor of my closet, and as...

I would like to change color of a leather recliner. It is leather only where you touch it. Other than that it is vinyl. This will be my first attempt and would like to know what products are out there and where to find them.

Can you paint leather furniture?

I just got a new leather jacket and the first time I wore it it left a black residue on my clothing. Is there anything I can do or will it stop after a while?

I need to work with leather. How do I get leather moulded/shaped (such as over a semi-sphere)? Do I merely heat the leather to shape it, but won't that stretch the leather? Also how is leather painted/colored on (with names, logos, etc, on it). Also, does anyone know any manufacturer that does...