Thanks. Yeah, I hadn't defined her ankle bracelets very well and after making them pop the ankles look much thinner (no longer bracelet thickness XD). I still think I need to work on the topology of the heel.
She's barefoot so I'll be creating a semi-detailed foot (with toes) so it doesnt look like she's wearing boots

She wears a cover over the top of her feet which is what the thin face loop circling the feet are part of. (near the sole).
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I just downloaded the latest release for Windows 7 from the SVN repo last night (was r30542 I believe) so things *should* be a bit more stable than the build from Blender.org (got it from graphicall.org)
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PNGs are just a habit I've developed since I was moving wallpapers around and used the format to avoid jpg artifacts. It's not a big deal for preview shots but when I want to ensure a quality image I use png. My last set of images are jpg actually.