The ornamental design for a suctioncup for supporting decorative lighting and the like, as shown.
FIG. 1 is a perspective view of the suction cup for supporting decorative lighting and the like showing a top, a front and a right side of my new design;
FIG. 2 is a perspective view of the suction cup for supporting decorative lighting and the like showing a bottom, a rear and a left side of my new design;
FIG. 3 is the suction cup for supporting decorative lighting and the like showing the front view thereof;
FIG. 4 is the suction cup for supporting decorative lighting and the like showing the rear view thereof;
FIG. 5 is the suction cup for supporting decorative lighting and the like showing the right-side view thereof;
FIG. 6 is the suction cup for supporting decorative lighting and the like showing the left-side view thereof;
FIG. 7 is the suction cup for supporting decorative lighting and the like showing the top view thereof; and,
FIG. 8 is the suction cup for supporting decorative lighting and the like showing the bottom view thereof.