Quote from UbUdesigner on April 3, 2013, 00:12
Thought I should be more specific…I added short code for Flexi Quote Rotator.
I also added it to the Client Reviews Page and it works fine there.
The Plugin you are using was Last Updated: 254 days ago. The Plugin also generates some Errors. Some functions was deprecated since WordPress 2.1. Now the WordPress Version is 3.5.1!
You may wait for few days. We have a plan to introduce Clients’s Testimonials sliding in any of the Next Theme Version.