Need a cover for my Udemy course

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This customer received 20 graphic designs from 7 designers. They chose this graphic design from Fwin as the winning design.
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Graphic Design Brief
I'm publishing a Udemy course and I need an image for the cover. The course is on Backbone.JS, which is a library for developing web applications. Backbone.JS has a standard logo that you can find here:
http://www.codeforest.net/wp-content/uploads/2013/05/backbone.png
Udemy has a set of guidelines for designing cover images:
https://support.udemy.com/customer/portal/articles/1709115-course-image-standards?b_id=3056
Look at the designs on their guideline. They are bold, beautiful, clean and vibrant. I want a cover design like that but with Backbone.JS logo.
Industry/Entity Type
Library
Look and feel
Each slider illustrates characteristics of the customer's brand and the style your logo design should communicate.
Elegant
Bold
Playful
Serious
Traditional
Modern
Personable
Professional
Feminine
Masculine
Colorful
Conservative
Economical
Upmarket
Requirements
Must have
- White clean background
Nice to have
- Play with the background to make it look more modern and appealing. It should still convey the Backbone logo but you may slightly change the ones or make the sharp corners a bit round. Or may be put a glowing effect under the logo on the white background to make it stand out.