Since i normally prefer my macro images to have nice, clean background, I sometimes use the clone stamp tool in photoshop (CS3) to remove unwanted elements in my images.
All images here were shot with a 40D, Sigma 150mm F2.8 and MT24EX Macro Twin Flash.
This is what the image looks like before i use the clone stamp tool to remove that blade of grass on the left and another blade at the bottom right.
Just some quick work there so the end result is a bit blotchy, but I am sure you get the idea.
Basically, I just use the clone stamp tool to clone out/remove the grass, then clone in the antenna.
Fortunately there are many useful video tutorials you can find on youtube.
A really good example here:
This one is great too, but don't watch it if you're offended by vulgar words in it:
Here is another one. Sorry embedding disabled by the author:
Now that you have read about this slr macro photography tip / photoshop post processing tip, it's time to try it out yourself.