Create a vibrant marketing poster background with a bold sale theme. Incorporate a gradient of bright colors such as yellow, orange, and red to evoke excitement and urgency. Scatter dynamic geometric shapes like triangles and circles in varying sizes across the background, adding movement and energy to the design. Include abstract, stylized images of shopping bags and price tags subtly integrated into the background. Leave ample space in the center for text that promotes a limited-time sale, using eye-catching fonts that convey a sense of action and urgency.

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Create a vibrant marketing poster background with a bold sale theme. Incorporate a gradient of bright colors such as yellow, orange, and red to evoke excitement and urgency. Scatter dynamic geometric shapes like triangles and circles in varying sizes across the background, adding movement and energy to the design. Include abstract, stylized images of shopping bags and price tags subtly integrated into the background. Leave ample space in the center for text that promotes a limited-time sale, using eye-catching fonts that convey a sense of action and urgency.