Launch the Blogger editor.
Click design in the upper right corner, then select layout from the sidebar.
Add a New Gadget
Click on any of the Add a Gadget buttons to add POWr YouTube Gallery. The Blogger Gadget manager will appear in a pop-up.
Create HTML Gadget
Copy and paste this code into the Content box and save.
Your YouTube Gallery has now been added to your Layout.
Click Save Arrangement, then click View Blog to set up the plugin on your live site.
View Blog to customize POWr YouTube Gallery
Click on View Blog to visit the live, published Blogger site.
Find the new YouTube Gallery Widget. You will be able to see a blinking Edit Me sign, pointing to a Settings Icon .
Click on the Settings Icon to launch the POWr Editor and start customizing your YouTube Gallery Widget.