Yes, I got that much from the previous thread I referenced. Tried it; it didn’t change the existing images. Do I need to take them down and re-upload, or am I missing a different step? I assume I’m supposed to be changing this in WP > Appearance > Editor – yes?
More specific instruction on the second issue would be helpful. I don’t know what “apply another class” means or how to do it. 🙁
I appreciate the help!