1 ) Clone ” Single Column, Image Top, Extended” page template from Downloads > Templates > Page Template Tab.
2 ) Replace [file_list_extended_3x64x64]
with [file_list_extended_400x300x3]
in your new custom template. The number represent width, height, and columns. You can change those if you want.
3 ) Set you new page template as active Page Template from the package settings meta box.
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