You can add more and more extra columns to your blog. Now here i am describing you to how to add 4 more columns to your blog's footer. You can add text gadgets and HTML widgets. How ever these gadgets boxes may not appear similar to your excisting gadgets.They may appear like this.
Go to
Then Click Edit HTML
Then Check
Search for Following (simply press Ctrl+F and paste it)
<b:section class='footer' id='footer'/>
Now paste following code lines by Replacing the line
<b:section class='footer' id='footer'/>
<div id='footer-column-container'>
<div id='footer1' style='width: 225px; float: left; margin:0; '>
<b:section class='footer-column' id='footer-column-1' preferred='yes' style='float:left;'>
<b:widget id='Text100' locked='false' title='Your gadget's Caption here 1' type='Text'/>
</b:section>
</div>
<div id='footer2' style='width: 225px; float: left; margin:0; '>
<b:section class='footer-column' id='footer-column-2' preferred='yes' style='float:left;'>
<b:widget id='HTML100' locked='false' title='Your gadget's Caption here 2' type='HTML'/>
</b:section>
</div>
<div id='footer3' style='width: 225px; float: right; margin:0; '>
<b:section class='footer-column' id='footer-column-3' preferred='yes' style='float:right;'>
<b:widget id='Text300' locked='false' title='Your gadget's Caption here 3' type='Text'/>
</b:section>
</div>
<div id='footer4' style='width: 225px; float: right; margin:0; '>
<b:section class='footer-column' id='footer-column-4' preferred='yes' style='float:right;'>
<b:widget id='HTML200' locked='false' title='Your gadget's Caption here 4' type='HTML'/>
</b:section>
</div>
<div style='clear:both;'/>
</div>
