All UltimateWB software versions provide you with a styles manager to create your own design/template, as part of the website admin panel to create/manage your website - as well as a responsive app. Flash is not cross-browser/platform compatible, though you can opt to add flash components to your website as an add-on in UltimateWB software. Alternatively, with UltimateWB Lite and UltimateWB Full, you can create cross-browser/platform compatible photo galleries/slideshows - no coding or experience necessary. You can compare the UltimateWB software versions here: https://www.ultimatewb.com/compare-uwb .
We have many customers who use UltimateWB software successfully without any coding or web development experience. We do have demos available online for you to play around with before purchase: https://www.ultimatewb.com/demolinks . We do also offer free tech support via email and on the UltimateWB forums.
You can compare UltimateWB with Dreamweaver in the comparison chart here: https://www.ultimatewb.com/website-builder-comparison-chart . You can do a lot more with UltimateWB than with Dreamweaver without any experience, and UltimateWB is very customizable, great for coders/web developers too.