-First you need to connect your Ally to your Computer via USB cable.
-Once connected, slide down your notifcation bar on your Ally, then click on the notification then "Mount"
-Your device will now show up under My Computer, for windows, and under Finder for Mac.
-From there you can drag and drop pictures from your computer to your Ally.
-Once done, right click on your device (from your computer) and click "Eject"
-Slide down notification bar on your Ally and eject from there.
Hope this answers your question
LG Ally 2.2, HP Mini 110-1046NR, LG Fathom, LG enV Touch