Batch Processing (almost) any tool in QGIS
(QGIS) Accessing the option to execute a tool as a batch process; the Batch Processing dialogue box
Changing the background of a Map Canvas
(QGIS) Accessing map view properties; Changing the background color of a map.
Adding and Ordering Layers in a Project
(QGIS) Adding data to a map project; Reordering data layers