template "teaser" in k2 content module
creativeprogramming's lograritmic Alogrithm in SQL query to match really best voted articles in k2 content module (Most voted)

(weigthing also the number of votes, not only average vote, so if you have an article with 5.0 stars but only two votes this will be ordered below an article with 4.2 avg but 100s of users voting)