Conky Theme with Random Image Slideshow

random_image.sh

#!/bin/bash
 
# path to the images (will be recursively scanned)
DIRECTORY="/home/user/Pictures"
# desired width and height of the image (adjust conky size accordingly)
WIDTH=600
HEIGHT=450
# offset for filename bar (has to be added to conky's height)
VERTICAL_OFFSET=12

# choose an image randomly
IFS=$'\n'
images=($(find $DIRECTORY -name "*.jpg" -or -name "*.JPG" -or -name "*.png" -or -name "*.PNG" )) 
let r="$RANDOM % ${#images[*]}"
randomimage=${images[$r]}

# copy and convert the image (the image will be resized and cropped)
convert $randomimage -resize ${WIDTH}x${HEIGHT}^ -gravity center -extent ${WIDTH}x${HEIGHT} random_conky_image.png

# output its name and conky image variable
echo $randomimage
echo "\${image random_conky_image.png -p 0,$VERTICAL_OFFSET}"

exit

slideshow.conkyrc

conky.config = {
	  use_xft = true,
	
	  minimum_height = 462,
    minimum_width = 600,
    maximum_width = 600,
    
	  alignment = "bottom_left",
	  gap_x = 50,
    gap_y = 50,
    
    default_color = 'black',
    font = 'DejaVu Sans Mono:size=6',
    
    border_inner_margin = 1,
    border_outer_margin = 1,
    border_width = 1,
    
    draw_shades = false,

	  update_interval = 1,
	  total_run_times = 0,
	  double_buffer = true,
    imlib_cache_size = 0,
    
    own_window = true,
    own_window_colour = 'white',
    own_window_type = 'desktop'
}

conky.text = [[
${execpi 600 ~/.config/conky/random_image.sh}
]]