If you want to break the monotony of your fonts for your blog but do not want to go to the extent of tweaking the scripts, Typecase can make your job easier! It is a convenient plugin developed by Upthemes.com which can be installed into your blog and serve as a live font editor. You can access over 500 fonts available in Google Web Font API and pick the font you want and see how it turns out on screen immediately.
There is no more copying of extra scripts and adding them to your blog, you can manage all the fancy fonts you want using Typecase only.
Price: $19 (One license for One Site)