If you will write blogs consistently then this will help you in building the image of your brand. Including a featured image in your blog will make it more attractive. You have to make the use of the right tools so as to create a featured image.
If you want that in your brand the interest of the audience remains for a longer duration then you need to frequently update your blogs. With this, the customer will come to your site again and again.  
Now I am going to tell you how to design featured images for your blog.

If you want to design creative sites then it will be good for you to contact a Website design company. It also offers the services of designing custom websites.