How to install latest version of Totem Movie Player?

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http://askubuntu.com – The one thing I've found in Ubuntu is how the default apps are not usually or easily updated. Apps like Rhythmbox and Totem have gotten new releases since 12.04 came out and I was wondering if there's a PPA or anything I can add so I can have Totem and essentially other default apps up to date. Thanks in advance! (HowTos)