Craigslist Search software

For about two years I used Marketplace to search Craigslist. It was (is) a handy application. Now due to some change, it no longer functions. I have tried it on two other computers and it doesn't function on any. I'm using OS X 10.7.5.

Does anyone have a workaround or an alternative software to suggest. I've tried CraigShopper and it's functionality is lacking in comparison especially in filtering the search.

THANKS!