In terms of the drug, it's always generic and there are no more branded versions (it's an old drug that has been used for a long time). I just get it from my pharmacy via my doctor's prescription as that's the cheapest for my situation. OP mentioned gokick.com, which looks good too. Source: over 1 year ago

Dubsmash is a viral video messaging app that lets its users create and share their rich media content. With Dubsmash, users can choose an audio recording or soundbite from movies, shows, music, and internet trends and record a video of themselves dubbing over that piece of audio. Source: about 3 years ago