When I complete shooting a stack, I want to delete the photos that are in the column on the right side of the panel, so their not included in the next shoot. I right click with the mouse and the drop down window gives me the option to delete one or all the images after highlighting the images. I ...

I am having trouble deleting images from the source file after completing stack. This happens even after clicking on " Remove All Images" At this point I'm just exiting out of program then return for the next stack. I'm sure it's some simple thing I'm overlooking. Hope someone can help me out ...