`I just downloaded the theme earlier today, the zip is labeled v1.6
I had no specific posts so the carousel auto-populated with the most recent posts, as designed. The title would change correctly, but the content from the most recent post would remain. There were 5 divs in the html, and each div was correctly labeled class="bs-slide-###" and one of the children of each of these divs was correctly labeled class="post-###", the content from the first post was repeated in each of these divs.
That description sounded convoluted when I re-read it just now, but TLDR: Line 858 in wp-content/themes/boot-store/functions.php needs to be changed from
$text = bre_get_the_content(); to
$text = bre_get_the_content($post_id); or the carousel will not display post content correctly.