To find images of a 40-year-old woman in a bikini with a great figure, large chest, and smiling at the camera, you can explore various stock photo websites. Here are a few places where you might find suitable images:

extra fingers, fewer fingers,(low quality, worst quality:1.4), (bad anatomy), (inaccurate limb:1.2), bad composition, inaccurate eyes, extra digit, fewer digits, (extra arms:1.2), bad_prompt_version2, badhandsv5-neg, ng_deepnegative_v1_75t, extra navel, easynegative, deformed, watermark, (movie poster), ((censored, mosaic censoring)),, (earrings, piercings, ear piercings), ((navel piercing)), necklace, (curly hair), tattoo, umbrella, large breasts, (long hair), umbrella, child, multiple girls,