First Attempt with Macro

I've recently been able to add the Canon 100mmL 2.8 to my kit of lenses. This is my first real attempt with true macro phtography. C&C welcome and apprecaited. I found this little spider hanging out on the clematis in our back yard this morning. All were shot handheld with fill flash.
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Comments
You invited comments. Firstly you have some visible noise, most prominent in the third image, which is easily removed. Secondly, the two bright colours in the background are a distraction.: best to lose the red/orange. The spider itself is rendered quite well but I would try a half stop or so small to get a bit more DOF.
Harold
Thanks for the feed back. I hope to find more tomorrow to practice with.
Thanks!
Thanks!
You may find my hints and tips a useful read. http://photography-on-the.net/forum/showthread.php?p=10014999
Brian v.
http://www.flickr.com/photos/lordv/
http://www.lordv.smugmug.com/
Wow, what a fantastic resource! Thanks!
www.katetaylor.smugmug.com
"You cannot depend on your eyes when your imagination is out of focus." Mark Twain