Hi, I share here my entry for the"Welcome image design contest" by 
I used an "CC0 Creative Commons, Free for commercial use -No attribution required" image, here's the link:
https://pixabay.com/en/bible-book-page-font-texture-1960635/
I tried to transform the idea that this platform is more than a usual social network - it is a place for deeper texts and fertile discussions - hence the use of an old looking book as a background.
I tried to use color resembling the blues of the original logo, but to give it a litlle twist and make it more pleasing to the eye.
the Image:
If you liked it, please upvote and resteem - it will give me a greater chance to succeed.
Edit: changed it to "steemit":