Playing around with Macro Photography

I've been thinking about getting a macro lens for my Olympus E-510 for quite a long time. Until now it always came down to not being sure if I could really use it and if it was worth the money. Thanks to the guys at Lensrentals.com I was able to get the lens for a week and play around with it - unfortunately mostly at home because the weather wasn't that nice yesterday. Below are the better pictures I've taken with it so far: