gaia hackin 4 the lulz

gistfile1.js

// do this to make your homescreen background a sweet gif
// someplace inside homescreen app
document.addEventListener('visibilitychange', function yay_gifs() {
  if (document.hidden) { return; }
  // might not even need the setTimeout, dunno how timing works
  // with homescreen blob generation
  setTimeout(function() {
    document.body.style.cssText = 'background: url("http://media.giphy.com/media/rriYfsQZRE9Pi/giphy.gif")'
  })
})

// same deal, but for lockscreen
// needs to execute from inside system
document.addEventListener('visibilitychange', function yay_gifz() {
  if (document.hidden) { return; }
  setTimeout(function() {
    var lockScreenBgd = document.getElementById('lockscreen-background');
    lockScreenBgd.style.cssText = 'background: url("http://media.giphy.com/media/rriYfsQZRE9Pi/giphy.gif")'
})