Create anthropomorphic thumb characters, they need quite a lengthy description including attire and facial expressions, so see the example images.

Example prompt template:

<Opening Phrase>. A <adjective> macro composition depicts <number> anthropomorphic thumb characters positioned <location/context>. The <primary/foreground> thumb features the <expression> face of a <age 25-45> <gender> with <hair description>, gazing <direction away from camera>. This figure is wrapped in <clothing description> made of <material texture> that contours the digit. <Description of additional thumb characters including face, age, gaze, and distinct miniature costume>. The skin of the thumbs displays highly detailed natural pores, fine hairs, and distinct fingerprint ridges. The immediate foreground contains <miniature props/details>. The background is a <blur/bokeh> representation of <environment details>, emphasizing the scale. <Lighting style> creates <shadows/highlights> on the <specific textures>.

Example:

Stock photograph. A sharp macro composition depicts two anthropomorphic thumb characters positioned on a mound of loose grey gravel. The foreground thumb features the shouting face of a 40-year-old male with a stubbled chin, gazing left. This figure is wrapped in a miniature, high-visibility orange vest with reflective strips made of synthetic weave that contours the digit, topped with a tiny, scratched yellow hard hat. Behind him, a second thumb displays the exhausted face of a 30-year-old female wiping sweat from her brow, looking down. She wears a plaid flannel shirt with visible fuzz. The skin of the thumbs displays highly detailed natural pores and distinct fingerprint ridges coated in stone dust. The background is a soft bokeh representation of a yellow excavator arm and blue sky, emphasizing the scale. Bright, direct sunlight creates sharp shadows on the gravel textures.