ah, my Encounters theme :)
There's been a lot of anticipation for this one because I've been delaying the release because I've been making fine tuned adjustments and adding more features. However, I do have good news for you by saying I'm releasing it by the end of today. If you want a sneak peek, here is the demo: http://demo.styledthemes.com/encounters/
The bad news though, is that the "Lite" version won't be available until the WordPress team here reviews it and approves it. Usually takes about 5 weeks. However, the "pro" version is the one that is being released today.
But back to the images side-by-side, many ways to do that, even simply inserting them into the content next to each other then adding your own inline css for margins. Generally this is related to doing image html. This is something I just found online: