They're all on iTunes.
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All of the redubbed Oh Yeah Cartoons Fairly Oddparents shorts is on iTunes.
https://itunes.apple.com/us/tv-season/fairly-oddparents-vol-8/id542711904
The volume that includes the redubbed version of The Zappys. The rest of them are on Volumes 6 and 7 on iTunes.
And again, this does not include Where's the Wand, as that short never aired as part of the FOP series, and therefore, has never aired with Tara Strong's voice redubbed. I'm not even sure if that episode has ever been redubbed to begin with.