How to Remove Image Border

Hi there, i bought the Simple Catch Pro Theme today, i have to say really great stuff, thanks for the effort! My question is: how to remove the post image border on the homepage? The ones that I set as the featured images in the post, and shown on the homepage. I want these images borderless, without the dark border around the image. Thanks a lot in advance! Btw, are you gonna introduce the widgets in the footer area any time soon? Thanks again for the great product, i luv it. Cheers, rdbento