This is a simple random wallpaper changer to use with Awesome WM. You need to install feh to use this.

wallpaper-changer

#!/bin/bash
#
# Created by djazz // Dangershy
# Dependencies: feh
#

FOLDER="~/Pictures/wallpapers"
DELAY=10

# to make it loop over lines instead of spaces in filenames
IFS=$'\n';

while true; do
	LIST=`find "$FOLDER" -type f \( -name '*.jpg' -o -name '*.png' \) | shuf`
	for i in $LIST; do
		echo "$i"
#		gsettings set org.gnome.desktop.background picture-uri "file://$i"
		feh "$i" --bg-fill
#		pcmanfm -w "$i"
		sleep ${DELAY}m
	done
	sleep 1
done

wallpaper-changer-remote

#!/bin/bash
#
# Created by djazz
# Dependencies: curl
# You need Gnome or feh, depending on what DE/WM you use
#

IMGLIST="http://djazz.se/pony/wallpapers/images.txt"
IMGSCRIPT="http://djazz.se/pony/wallpapers/image.php"
DELAY=10

DOWNLOAD_DIR=/tmp

USE_GNOME=0 # uses /tmp
USE_FEH=1

# to make it loop over lines instead of spaces in filenames
IFS=$'\n';

while true; do
	LIST=`curl -s "${IMGLIST}" | shuf`
	for i in $LIST; do
		echo "$i"
		if [ "$USE_GNOME" -eq 1 ]; then
			curl -s -G "${IMGSCRIPT}" --data-urlencode "f=$i" -o "$DOWNLOAD_DIR/next-wallpaper"
			mv "$DOWNLOAD_DIR/next-wallpaper" "$DOWNLOAD_DIR/wallpaper"
			gsettings set org.gnome.desktop.background picture-uri "file://$DOWNLOAD_DIR/wallpaper"
		fi

		if [ "$USE_FEH" -eq 1 ]; then
			curl -s -G "${IMGSCRIPT}" --data-urlencode "f=$i" | feh - --bg-fill &
		fi
		
		sleep ${DELAY}m
	done
	sleep 1
done