[Plugin: NextGEN Gallery] How To Remove Watermark

I love this gallery, it works great. I applied a watermark but it’s too small to see.
I tried making the text bigger, and reapplied it. I assumed this would remove the small watermark and replace it with teh old one, instead it kept both. How do I delete the first?

http://www.abbymalone.com

You can barely see the first, it’s below, it’s so tiny but I’d still like it gone

http://wordpress.org/extend/plugins/nextgen-gallery/