How can I put the 4 squared images in the right demo panel?

Question 1: “To put the 4 squared image in the right demo panel”

you can log in Dashboard > Appearance > Widget > add the “Text” widget to the Secondary Sidebar then add the following code to the “Text” widget.

 
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<li><a href="http://bit.ly/tf-wallclassic"><img alt="demo" src="http://demo.designwall.com/dw-minion/wp-content/uploads/ad-2.gif"></a></li>

<li><a href="http://bit.ly/tf-wallclassic"><img alt="demo" src="http://demo.designwall.com/dw-minion/wp-content/uploads/ad-2.gif"></a></li>

<li><a href="http://bit.ly/tf-wallclassic"><img alt="demo" src="http://demo.designwall.com/dw-minion/wp-content/uploads/ad-2.gif"></a></li>

<li><a href="http://bit.ly/tf-wallclassic"><img alt="demo" src="http://demo.designwall.com/dw-minion/wp-content/uploads/ad-2.gif"></a></li>
</ul>

you can add your image to Media first, then replace our image with your images link  here: http://demo.designwall.com/dw-minion/wp-content/uploads/ad-2.gif