Wix.com is a popular platform... you can very easily create amazing looking sites.
Most hosts nowdays offer some sort of platform for drag&drop site building in order to be accessible to the general public. Wix's advantage is that it's flash-based, so the site looks better than most.
Try to find a photoshop savi friend in order to create a banner... some might do it for free but generally speaking, it can cost quite a bit.
With minimal learning you can create one from a photo you take.