If your blog gets visitors from all over the world, then it is better to place a translation widget. So that, they will stay longer in your page and they may visit your blog again. Here is a collection 5 cool translation widgets for your blog. 
2. Yahoo Babelfish Widget
3. Microsoft Translator Widget
You can customize this widget as below at Microsoft Translator Page.
4. "Translate This" Button
on mouseover.......
5. Widget by AllBlogTools
.png "English"){kind=small}
this widget by www.AllBlogTools.com