Below are some images you are welcome to save and use if you'd like. The tablet/iPad-shaped images are dark on purpose so your icons can still pop on the screen. Just click on the image, and save the larger version. It helps to have a retina display or equivalent quality.
This is the artwork for the US Promo CD of George Harrison's This Is Love - inverted and re-arranged.
From the original 7" artwork for ELO's Rock 'n' Roll Is King
Using artwork from ELO's Greatest Hits
Here is a tablet version of the hype sticker collage
Using some different elements from ELO's Hold On Tight 7" and the Time Tour book.
Artwork from the original promo CD single for Tom Petty's I Won't Back Down.
I'm not claiming any copyright to these images - and frankly, I fully expect to be ordered to remove them. But until then, feel free to save the images and use them as backgrounds on your phone, tablet or computer.