A Widget and Shortcode to Displays Comments with good Karma as Testimonials. Plus an automatic Spam Filter and you can Move comments or modify Karma.
Go to the Widgets menu in the WordPress Admin and add the "Testimonials" Widget to your Sidebar or Footer Area.
You might not have any comments matching the Karma value you selected.
[TESTIMONIALS title="Random Testimonial" number="1" /] This would display 1 random Comments with the Karma Value of 0 under the heading Random Testimonial
[TESTIMONIALS title="Client Testimonials" karma="100" number="8" order="DESC" /] This would display your 8 most recent Comments with the Karma Value of 100 under the heading Client Testimonials