Thanks everyone for the awesome feedback. Are the LR changes that have been suggested something that always has to be done, or is it something generally that can be done with proper equipment and lighting? In other words, given the equipment I have, should I be able to shoot an image that wouldn't need those LR modifications?
Here's a version I did this evening with my 70-200mm. They're both shot about 135mm. Hands look smaller now? I think the skin color may be a little off. I probably should have used my gray card, but instead just used PS Flash. I inserted thumbnails assuming they can be clicked to be enlarged after posting...
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This is a 1-minute Lightroom adjust of your original. Very quickly done, and probably not actually the very-best-possible skin tone, but I think this is a better and more-pleasing skin tone rendering, with a shift in the tint of only 4 units, and without any white balance adjustment at all, but again, just the very-quickest adjustment, an overall tint shift, to where it looks warmer. Then, dropping the overall clarity to -10 units. Then, an adjustment brush with +30 sharpening painted on to her face,upper arms,hair,and dress, but the hands left being skipped in the painting-on-of-sharpness step. Then, burning down the brightness of the purple flowers in the upper left corner, and the upper right corner, and burning down the brightness of a few of the brighter flowers. Then, painting the background with a negative sharpness brush, to make the background flowers a bit less-sharp.
Here's a side-by-side Adobe Lightroom screen comparison that shows that, perhaps, the biggest issues were 1) the overall tint (too cool) and 2) the background flower bushes being too bright at the corners of the frame. Notice how much burning down the corners makes the background less distracting, and makes her stand out more? And the color tint shift is, I think, warmer and more appealing than the cooler, more open-shade-like color tint.
For the truly dedicated,with more than 60 seconds to spend, a white balance adjustment would likely be high on their agenda, but I'm lazy.
Here's the reworked image on its own.
The thing I like about Lightroom is its ability to quickly allow me to "paint on" or "paint down" various adjustments, with easy, automatic smart masking that keeps the adjustment on the desired area, and off of nearby areas, with such ease. And, it's fast...this is one minute's worth of fast decision-making...not laborious micro-corrections. That's why I mentioned above that when somebody asks about improving an image, it depends on their skill and proficiency level with software tools, and it also depends on how much time and effort one is prepared to lavish on an image. These pictures do _not_ need much work to be very,very good. Just quick minor tweaks here and there. Which is a sign of good in-camera technique!