Here is a tutorial which might help you manage your blog.

Here you can find some suggestions about tools you can use to create amazing presentations.

Voki why not create a voki to introduce yourself and then embed it on your blog? It's easy and you don't even need to sign up.
What about the one I created and embedded on the home page? Not bad, I think :)

Glogster An amazing tool to create interactive posters. Click here to see some examples and how to use it

Prezi Fed up with boring ppt presentations? Why don't you try Prezi? Learn more about it here