As per your requirements you need a highly skilled designer for making a banner in 980x150px and i am more than capable to do this as i am a professional designer with 5 years of exp.
Relevant Skills and Experience
I am proficient with Banner Design, Graphic Design, Photoshop, Website Design, WordPress
advanced skills in Python, SEO, MySQL, Javascript, HTML, Jquery and CSS, PHOTOSHOP, ILLUSTRATOR to name a few.
Proposed Milestones
$60 USD - milestone for Gif