Use the force, Luke:
#!/bin/bash
if [[ $# -eq 0 ]] ; then
echo 'Usage: ' $0 ' <modid>'
exit 0
fi
curl -X POST --data "itemcount=1&publishedfileids[0]="$1"&format=json" "http://api.steampowered.com/ISteamRemoteStorage/GetPublishedFileDetails/v0001/" --header "Content-Type:application/x-www-form-urlencoded" | grep file_url |grep -o "http.*" | sed 's/",//g' | wget -i - -O $1.bson && bson print pretty < $1.bson > $1.json && grep URL $1.json |grep -o "http.*" |sort -u|sed 's/",//g' |wget -i -
Usage: tts <modid>
You'll get original steam BSON file modid.bson, human-readable modid.json and all mentioned image files
