A picture-framing vise, or miter clamp, has screw holes on the bottom for attaching to a workbench. But for occasional framing it can get in the way of other benchwork. A solution is to mount it on a wooden base that can be readily clamped and unclamped in your bench vise. The base can be of scrap wood, and made up so that the framing vise will be about chest high for comfortable working.
Computer screen savers may be entertaining, but they consume energy. An Energy Star labeled monitor with its “sleep” features enabled uses half the electricity of a standard monitor.