Just searching around and found this website that provide free hit counter. There are so many counter styles, and so easy to install too.
- Choose the desire counter style. (Just follow the steps, at last will be given Html Code. Copy the code)
- Then back to the blog, select "Layout"
- Click on "Add a Gadget"
- Put in the title, and paste the codes in the content.
- Finally, of cos, save it.