Syncing all Galleries Across Tablet & Phone

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http://androidforums.com – My question has to do with syncing photos across the phone and tablet. I basically would really like the galleries on my phone to automatically sync together with the gallery on my Nexus 7 tablet. I take photos with my phone, then later if I want to browse them on my tablet, they of course aren't there. So far, all I can seem to gather is that I have 2 options: 1) upload all photos to something like dropbox then download all the photos to the tablet. 2) transfer the files directly between the phone and table using an app that shares over the wifi if the two are connected to the same rou (General)