Grab some youtube thumbs

thumbs.sh

#!/usr/bin/env bash

if [ $# -eq 0 ]; then
    echo "Usage: thumbs.sh <youtube-video-id> ..."
    exit 1
fi

function getThumbs() {
    for i in {0..3}; do
        wget http://img.youtube.com/vi/"$1"/"$i".jpg -O "$1"-"$i".jpg
    done

    wget http://img.youtube.com/vi/"$1"/default.jpg -O "$1"-default.jpg
    wget http://img.youtube.com/vi/"$1"/hqdefault.jpg -O "$1"-hqdefault.jpg
    wget http://img.youtube.com/vi/"$1"/mqdefault.jpg -O "$1"-mqdefault.jpg
    wget http://img.youtube.com/vi/"$1"/sddefault.jpg -O "$1"-sddefault.jpg
    wget http://img.youtube.com/vi/"$1"/maxresdefault.jpg -O "$1"-maxresdefault.jpg
}

for video in "$@"; do
    getThumbs $video
done