Website help

I'm hoping the hive mind can help me out here...

I'm building an e-commerce site using the Flatsome theme on Wordpress. But on the product pages (Woo-commerce), all the images are coming out blurry. I haven't had any issues with images on the rest of the site. I've tried to read around it but haven't found a solution. Anyone think they might know what's wrong? Any troubleshooting tips for a novice website builder?? Thanks!

Another website help question:

I've registered a domain name with 123 reg
And built a website using Wix
(it's http://www.ridesidebyside.org )

Site will be changed to look better when I have time

123 reg doesn't seem to like the fact that I have redirected the nameservers from 123reg to Wix which seems to present a security issue

Please note: Your DNS is not currently set to the 123-reg nameservers.
To use the 123-reg DNS service, your domain must use the default
123-reg nameservers Our systems have detected that ridesidebyside.org
uses the following nameservers: ns8.wixdns.net, ns9.wixdns.net.

I'm a complete noob at this (Have used @velocio for this techie stuff for my earlier websites)

Any suggestions (I utfs on both Wix and 123reg and came up with nothing

Thanks!