Here is how to post cool stuff on Your blog

Firstly, sign in to your blog. Then you will see a 'Design'button

CLICK IT.

Then you will see the following picture, click add a gadget.

Scroll down and you will see HTML/JavaScript, Click it.

Copy the content from the website where your cool stuff are and 

paste. Click save when you are done!  :D

(I will post some content later)