work.js

var works = [
  "https://www.petfinder.com/wp-content/uploads/2012/09/Blog-Kitty-Cam-solo.jpg",
  "http://www.animal-photography.com/thumbs/red_tabby_long_hair_kitten_~AP-0UJFTC-TH.jpg",
  "http://www.animal-photography.com/thumbs/silver_tabby_kittens~AP-0JO6Y9-TH.jpg",
  "http://www.animal-photography.com/thumbs/silver_tabby_kitten_looking_up~AP-0DLVMB-TH.jpg"
]

<img class='img-responsive' src='" + works[i].pic + "'>\

$("#work").append("\
  <div class='col-sm-3 col-md-3'>\
    <a href='#' class='work-img'>\
      <img class='img-responsive' src='" + works[i].pic + "'>\
    </a>\
  </div>\
");

<a href='#' class='work-img'>\
  <img class='img-responsive' src='" + works[i].pic + "'>\
  <span class='info'><p class='proj-title'>Title:</p> [WORK TITLE] </span>\
</a>\s

var works = [
  {
    title: "First Project",
    pic: "https://www.petfinder.com/wp-content/uploads/2012/09/Blog-Kitty-Cam-solo.jpg"
  },
  {
    title: "Second Project",
    pic: "http://www.animal-photography.com/thumbs/red_tabby_long_hair_kitten_~AP-0UJFTC-TH.jpg"
  },
  {
    title: "Third Project",
    pic: "http://www.animal-photography.com/thumbs/silver_tabby_kittens~AP-0JO6Y9-TH.jpg"
  },
  {
    title: "Fourth Project",
    pic: "http://www.animal-photography.com/thumbs/silver_tabby_kitten_looking_up~AP-0DLVMB-TH.jpg"
  }
];