[JasonB]

I've knock the resolution down to 72dpi, and it tells me that 2"x1.5" is still too big...it says the limit is about 6500 kb.  2"x1.5" is 12500 kb.

There is a limit of just under 6Mb, or 6000kb, but something doesn't sound quite right there. A photo of that resolution and size would not normally have a file size of 12.5Mb.

I've had a look through the folders of the photos that you sent to me, and kindly allowed us to use here, and something like 95% of those photos would happily post here to the forum, even images as large as 3000 x 2000 pixels, and larger. Those are quite large images for web use, and we've deliberately set the forum limit high enough to accept them. 

Just by way of comparison, I don't have any of your photos that are over 10Mb file size, even the huge ones. 

I think I'm safe in saying that the admin team would be happy to increase the limit on photo sizes if it meant we get to see more of your lovely photos, but as I said, I suspect that in this case something has gone awry with the conversion process, it shouldn't be that big for a small size.