Easy to use
Just adjust anchor point for layers
Select layer(s) and click to Create Point – pointer will created by anchor point of the layers by default.
Select pointer layer and customize effect (special position & size in different proportions)
Use Place for your backgrounds.
After Effects 2020, CC 2019, CC 2018, CC 2017, CC 2015.3, CC 2015, CC 2014, CC, CS6, CS5.5, CS5, CS4