The VOIDRUNNER'S CODEX is LIVE! Explore new worlds, fight oppressive empires, fend off fearsome aliens, and wield deadly psionics with this comprehensive boxed set expansion for 5E and A5E!
Here's a link to a freeware image editing program that I think you will find super easy to use. I took your top pic (very cool, btw) resized it to half and cropped off the outside of it in a matter of moments.