aha! LLM image renaming is working, sorta. Need to figure out how to silence the CUDA library.
renaming IMG_20180526_082828.jpg to colorful_cactus_plants_in_the_yard.jpg
renaming IMG_20180529_130254.jpg to yellow_flowers_on_the_ground.jpg
renaming IMG_20180526_082527.jpg to red_flowers.jpg
etc etc