There are many hybrid animals in mythology, that is creatures that are a combination of  two or more animals.  One common hybrid is a mermaid (part woman, part fish).  What hybrids can you think of?  Here is a list from Wikipidia.

I want you to create your own hybrid using Photoshop, and have that hybrid advertize some product.  In my example, I made a Dog/Horse which is advertising Aldo shoes.  You may choose which animals to combine, and which product to endorse.  You will isolate different parts with the magnetic lasso tools.  Make your two creatures join as seamlessly as possible by adjusting the different parts to the right size, angle, color.  The clone tool can be useful as well for making fur/scales to cover where two parts are joining!  Good luck and have fun.