Set default thumbnail in summary layout
Set default thumbnail in summary layout

jpwenzel/hugo-icarus-theme,digitalcraftsman/hugo-icarus-theme,digitalcraftsman/hugo-icarus-theme,jpwenzel/hugo-icarus-theme,Dacode45/hugo-icarus-theme,thiagomgd/hugo-doctorcorgi,Dacode45/hugo-icarus-theme,thiagomgd/hugo-doctorcorgi