The Internet now offers you HEAPS of free tools that you can use to spice up your blog. Check out some of the links below to see what you might linke to add.
Image Optimisation -Getting an Image Ready for a Blog
Inserting an Image into a Blog ie one that doesn't support image hosting.
How to do a 'screen dump' i.e. capture the screen.
Adding Video - How to add TeacherTube videos to your blog.
HTML Code Made Easy - don't learn html, copy & paste it.
It has a spell check built into the browser.That's gotta save you some time.
How might the Google Pack tools be useful for you & your students?