Create Ads for a Website, jpeg format

We are looking for someone to design 8-12 Ads that are going to explain our website to the general public....these pics will go on the home page of our website, in a slideshow, and they will show the public user everything they need to know about our website...I NEED ARTWORK AND DESIGN FOR THIS, AS WELL AS IDEAS! We need someone who is VERY ARTISTIC, and will be able to create HIGH RESOLUTION DESIGNS! These need to be done in a JPEG format. We have the information, and have a general idea of what we want on each picture, but the provider will be required to design artwork using THEIR OWN talents, and IDEAS as to how these ads will appear and what they will contain. WE WILL NOT BE GIVING YOU SPECIFIC EXAMPLES, you will need to use your OWN ARTISTIC AND CREATIVE TALENTS! WE WILL PROVIDE BASIC GENERAL IDEA OF EACH PICTURE FOR EXAMPLE: TEXT: Selling your products has never been easier. Background picture: Random products overlapping each other with a woman showcasing them with a smile. this is JUST an example, but the information is what you would be given, YOU WILL HAVE TO COME UP WITH YOUR OWN IDEAS, AND DESIGNS... WE WILL ONLY BE GIVING YOU THE BASIC INFORMATION, AND YOU WILL HAVE TO COME UP WITH YOUR OWN IDEAS AS TO WHAT YOU WANT THESE TO LOOK LIKE! we require that the provider have a background in creating advertisements, and a provider who HAS A VERY STRONG BACKGROUND IN GRAPHIC DESIGN AND ARTWORK. THE PROVIDER SHOULD ALSO BE VERY ARTISTIC, AND HAVE A BACKGROUND IN DESIGNING AND CREATING ADS! You will need to create and submit examples for each one, and we will approve and tweak these examples, and you can submit the final products in jpeg format, in the size specified....these pics will be twice as wide as they are tall... PLEASE SUBMIT PREVIOUS EXAMPLES OF YOUR WORK, AND SUBMIT ANY ADS YOU HAVE DONE IN THE PAST...ALSO, PLEASE SUBMIT A PRICE PER AD, AND WE CAN FIGURE HOW MANY ADS WE NEED, BUT IT WILL BE IN THE NEIGHBORHOOD OF 8-12... SERIOUS BIDDERS ONLY! We will need the copyrights for ALL WORK DONE!