I need poster or big banner created for advertising new website

Hi I want to design two big banner or poster image to promote my website.

One is for promoting my website and
other one is for promoting vendor sign up membership so different vendors want to sell their products to my website they can sign up and sell their products on my website.....


And i am going to use that image for advertising and sharing on social media. i want to make it attractive advertising poster so people visit my site after looking at with my site logo, main key site features and products images.

I would like to get all source files

Please share your best 5 design with the proposal

Thank you