We are reconsidering your entry #6. the image out of the character "O" resembles a tulip. If you can work on this and may be use colours (like light blue for the central petal etc) to emphasise the tulip, we would be grateful.
We like to continue looking at work from you, however, your first entry still remains our favourite, also #171 without the flower and stalk just the leaves.
At this phase, we like to see variations on these two in terms of; - Colours (our blue in our other designs is Hex #0F4D92 (or RGB 15, 77, 146) - Fonts