those pictures are too blurry to tell what is on your leaf, but aphids can come in every color of the rainbow, they are described as soft bodied. the identifying feature on them are presence of two tubes, called cornicles, on the back ends of their bodies. The cornicles secrete defensive substances. In some species they are quite long, while in others they are very short and difficult to see. you may want to get out a magnifying glass for positive identification.

Here is a link that might be useful: aphids

If these are aphids, then the ants are protecting them.

Is there anything else they could be? My digital camera is an older model, so I can't get crystal clear pics on very small things.

I just thought maybe what could be seen of the blurry picture, plus color of the bugs, plus the ants all over the leaves as well, might be of some help. I doubt these are beneficial bugs, so I guess I'll just get some insecticidal soap going.