I have this fiddle, but can't make ti work in safari. In every other browser it works without flaws. I have read that safari supports data URI, so , I am missing something? Or is a bug?
I am using a simple
<img src="...">
Often, data in this manner cannot have line breaks, and it appears that your fiddle has them. I would recommend trying this without any line breaks, white-space, etc. I'm not sure why that would differ in Safari, but who knows.