You've looked at Soholaunch's templates, and you couldn't find what you're looking for? No problem!
Here's a helpful link:
https://addons.soholaunch.com/media/Creating_Custom_Template_for_SOHO.zip It explains how to upload your own images using File Manager (it's easy), and how to put them into a completely customized template.
You can also find images stored in photo galleries or on public websites such as www.istockphoto.com. The images stored on your computer can also be uploaded as you progress through the tutorial. Be mindful of copyrighted images, though. The copyright owners may not be happy (to say the least) if their images are used without permission.