Hey Lars – thanks for the follow-up here. Sounds like Z-index issue is resolved, which is awesome! I’m so glad to see Geoff was able to point you in the right direction 🙂
I see your most recent follow-up references the featured image thumbnail issue (which we previously did already provide some ideas on in the separate thread you linked to). As you may be aware based on our forum guidelines, we try to avoid having multiple issues addressed in the same thread.
I’m not sure how much else we can really do on that, but I just chatted with Geoff for a quick follow-up and it looks like this should be pretty straightforward: we grab the featured image using the_thumbnail and that respects WordPress’ default thumbnail sizes. The WordPress codex (http://codex.wordpress.org/Function_Reference/set_post_thumbnail_size) should be able to help get you where you need on that…we’re unlikely going to be able to provide much more support from there though. Good luck!
Since the core issue here is addressed I’m going to close out this thread. Thanks again for your support so far.