Garden light accessory

FIG. 1 is a perspective view of a garden light accessory, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is another perspective view of the garden light accessory, shown with environment.

The broken lines in FIG. 7 depict portions of the garden light accessory that form no part of the claimed design. The broken lines in FIG. 8 depict environmental structure that forms no part of the claimed design.