Designer & Character Illustrator Wanted

We are looking for a talented illustrator designer to create a range of contemporary character scenes and other designs for wall decals on a job to job basis. We have specific ideas in mind and would need the designs to be along the lines of the following website:

http://www.e-glue.fr/en/stickers-gigakit-c-5_1.html?

Obviously we would not want a direct copy of these and would need the designs to be unique to ourselves, the link is given just to show the style we are looking for. The designs would comprise of solid black vector outline designs (no form of colouring detail would be required.) We would need the files to be provided in illustrator/eps format.

If the work and cost is reasonable we would be looking for a long term partnership for further design work as we are constantly expanding our range.