There are 2 ways in adding a picture or image within your Index 2.

A)     Adding a picture in Index 2 bar using the "Edit Website HTML" option

Follow the steps outlined in this FAQ article –

How do I add custom HTML code to a page or to my entire website?

http://support.shopfactory.com/kayako/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=348

B)      If you want to only add one image below Index 2 then you can try using the add image option under Left sidebar via Customize Design.

• Open your shop in ShopFactory
• click Customize Design
• Click on the Index 2 area -> a shortcut menu appears -> locate the Left Sidebar option
• Select “Add image...”

• Select an image -> click Ok.