If the target URL of your project has hover states or elements that change with mouse movement, a great way to create a Task with an accurate screenshot is by using the following handy keyboard shortcuts. You'll need to expand the Sidebar first.
Tag the Whole Page
Windows: Alt + Shift + PMac: Option + Shift + P
Tag an Element
Windows: Alt + Shift + EMac: Option + Shift + E
Here's a short video showing it in action: