Dew on Grass, Sunrise and Macro Tubes!!

Took the opportunity the other morning when there was a fair bit of dew on the grass to try and photograph a single drop and it's reflective quality on a blade of grass. Reasonable result below.

Now.............I'm still working on getting macro right. I've managed to get the drop in focus but not the blade of grass. I've only bumped the saturation and contrast a up little and thats it. I'm not real fond of the halo around the grass and the concentric reflections in the out of focus drops. How do I fix both these issues? Would an ND filter do the trick? Any advice welcome.

Now.............I'm still working on getting macro right. I've managed to get the drop in focus but not the blade of grass. I've only bumped the saturation and contrast a up little and thats it. I'm not real fond of the halo around the grass and the concentric reflections in the out of focus drops. How do I fix both these issues? Would an ND filter do the trick? Any advice welcome.