I really like the first one. The farther down or further away the bud hangs, the more blur there is. I like it. It's almost as if the flower were melting.
I haven't seen your previously "flat" images, but I can say that I like these - there's definitely a sense of mystery and drama in them - they pop quite nicely. I like them all. Only advise would be to work on decentering the subjects with some judicious cropping.
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www.capture-the-pixel.com
My own flowers gallery:
http://macrophile.smugmug.com/gallery/1000192
My typical post-processing is a bit of cropping and contrast enhancement, but this takes some discipline so as to not overdo it.
macrophile.smugmug.com