i got here a blog entry about my situation. someone copied my blog entry. i really got angry to this blogger. http://www.bloggero.org/2008/01/14/plagiarism/
Welcome to the internet. There are many routes you can take with this but honestly, you are better off just forgetting about it.
best is, put a notice that if anyone wants to copy than they should put ur link....thts the best option..
Ah well these things happen, just remember to include some internal linking in your post, some of them might just show up on their blog.