file size limit

I am running into the following error (File Upload: File 'file_0_' exceeds the defined ini size) when I try to upload a jpg around 2.0 MB. I am; however, able to successfully import another jpg that is 4.0 MB in size.

You're uploading both of those through the normal Edit or Add Item interface?

It's odd that the 2.0 MB file would trip a limit but the 4 MB one wouldn't, but at any rate, the "ini size" it's talking about is the "upload_max_filesize" setting in your system's php.ini.