I've missed two lovely shots of your daughter - those eyes! And the expression caught in your son's shot is priceless
It's the second flora shot for me, I think - I find the the positioning of the branch and lighting more pleasing...probably a bit unadventurous of me, but true!
I really struggle with the ideal aperture for macro. I often go for wider ones just to give me the cleaner bg I'm looking for or a higher shutter speed to work with...so unless I can get better at stacking it's going to have to be very selective focus, but I do like that look
I think in the case of your daisy I would have moved a little further back to give more depth of field and cropped if necessary.