You are working with SoHoLaunch Pro's templates but you would like something a little more custom; No Problem.
SoHoLaunch can be modified and here is a link that should help: http://info.soholaunch.com/websitebuilder/tutorials/sl_48_templatemanager (let us know if the link is broken).
If you go through it casrfully you will see tons of great stuff you
can do with SoHoLaunch. It will explain how to upload your own images
using the File Manager (it's easy), and how to create a completely
customized template. All you do is find the images you want in public
domain photo galleries (or anywhere on your computer) and save them to
your computer. You can upload them when you go through this tutorial.
This should work for most users but if you have more questions please let us know.