Create a vibrant marketing poster background centered around a sale theme, featuring bold, eye-catching colors like bright red and yellow. Incorporate dynamic geometric shapes and dynamic lines to convey energy and excitement. Include abstract illustrations of popular products on sale, such as clothing, electronics, and home goods, scattered throughout the design. Leave ample white space for text overlays, with a subtle gradient effect in the background to draw attention to the promotional message. Add playful icons like discount tags and percentages subtly integrated into the background to enhance the sale theme.

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Create a vibrant marketing poster background centered around a sale theme, featuring bold, eye-catching colors like bright red and yellow. Incorporate dynamic geometric shapes and dynamic lines to convey energy and excitement. Include abstract illustrations of popular products on sale, such as clothing, electronics, and home goods, scattered throughout the design. Leave ample white space for text overlays, with a subtle gradient effect in the background to draw attention to the promotional message. Add playful icons like discount tags and percentages subtly integrated into the background to enhance the sale theme.