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Simplicy post view is a widget that displays one or more items to your sidebar with several options:

-Select an item or category
-The item number is displayed (if a category is selected)
-Display of the extract or not
-Character limit in the extract (if the option Show the extract is checked)
-Display of miniature or not
-Dimensions of the miniature in order to fit your theme (if the option Show thumbnails is checked)

Note: Recovery of thumbnails from the first frame of the article or video youtube