The ornamental design for an accessorymountingbracket for flat screen monitors and televisions, as shown and described.
FIG. 1 is a frontal isometric view of my accessory mounting bracket for flat screen monitors and televisions, showing my new design;
FIG. 2 is a rear isometric view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is an environmental view, with the environment shown in dashed lines;
FIG. 8 is a left side elevational view thereof; and,
FIG. 9 is a right side elevational view thereof.
The broken line showing of a television in FIGS. 7 and 9 is included for the purpose of illustrating environmental structure only and forms no part of the claimed design.