sry but i dont think they are so good, the are really flat and boring. Not very nice colours. And your macro's just aren't macro enough. The tree picture is very ugly with the white flash. It burns my eyes.
REAL MACRO'S-----> http://www.dutchphotozone.com/viewtopic.php?t=27361 <-----
And those pics aren't made with a very expensive ultra 1337 camera. Look a bit arround on http://www.dutchphotozone.com it's quite a professional site with some really good photo's.
http://www.dutchphotozone.com <--------- awsome site.