Sprite for 2D Tower Defence game

Hi. For a new game needs a designer. The game is a 2D tower defense. Need sprites of animation and the death of enemies. An example of what I need, see below (sprites from the game heroes of might and magic 1-3). This work like test of you. I need just first enemy, and if we can do business together they will be more. I animate it myself, need only sprites. Also if i need GUI designer, and art designer. Specifications: 1) 5-7 frames of animation. 2) 3-5 frames of animation of death. 3) the enemy on your choice. the universe of the game like heroes of might and magic. your work can be for example an animal (wolf, boar) or some human (knight, thief) - it is no matter for first work. 4) Size of one frame about 200x300px (or more).