Hi fmw269,
Not having a Mac does put me at somewhat of a disadvantage in directly testing problems with that platform.
The reason I got interested in looking closer this morning was buffy's similar problem, but on PC with IE. The odd images she has reported (and I posted in the Forum) is different than those I'm seeing on your Store gallery and window.
I'm honestly having no luck in duplicating the problem. I hate posting that situation, as it does invite negative reponses from those totally frustrated.....and I don't like doing that.
I do have two suggestions (recently acquired):
1. Try the Safari browser for image upload only. See my thread on testing in this Forum for possible settings.
2. Try small batches of files in a separate folder for each upload session. My testing yesterday unveiled a problem that causes slowdowns and processor spikes. I made that suggestion yesterday to another member, and Jeff (CEO) echoed my suggestion last night. Note, I also visited the Aurigma Forum and posted an interesting suggestion from them on that problem.
I don't know if those suggestion will help, but they are worth a try.
Danno