Might I suggest that you also read the explanations in the first result? http://stackoverflow.com/questions/958681/how-to-deal-with-memory-leaks-in-rmagick-i

Might I suggest that you also read the explanations in the first result? http://stackoverflow.com/questions/958681/how-to-deal-with-memory-leaks-in-rmagick-in-ruby/959473#959473