Kamibear, you have some cute horses there but unfortunately the pictures are very very hard to draw from. Typically the pictures need to be large, in direct light (not in shadows), show good detail and upright. Like the last picture is large enough but it is blurry and too dark to pick up any details, the picture of the grey horse laying down shows good details and lighting but is too small and it's on its side.
If you have any other pictures I may be able to give it a try. I don't have any colors with me right now unless if you don't mind them being added through a graphics program on a computer.
Also just so you know, for future reference we do have a sideboard that is specific for requests. =)