How to reduce size of iPhoto library

My iPhoto library is growing out of proportion to it's content. The iPhoto library file is now 27GB. When I go in and do a show package content I see the following folder sizes:
Data 649MB
iPod Photo Cache 15.79GB
Modified 267MB
Originals 7.1GB
Do you see this!
The iPod Photo Cache is TWO times the size of the Originals. How can that be????
Why would this be larger anyway. I thought pictures are getting scaled down to fit on the iPod.
Has anybody any idea how I can reduce the size of this iPod Cache?

aschmid
The iPod Photo Cache is TWO times the size of the Originals. How can that be????
because something has gone wrong
Normally, I would advise against changing things in the iPhoto Library Folder but make a back up - just in case - and you can safely trash that iPod Photo Cache. The worst that will happen is that iPhoto will create a new one next time you sync. When it does, compare the size with this one.
Regards
TD

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Hi,
This is my first message here, even I am oftenly reading and searching these forums...
I found many topics about this issue of "auto-rotate settings on camera, that will increase the size of the library".
Thanks Terrence and also Toad, for replying millions of time, to the same question.
(I was actually surprise that you don't have a topic, with all info, and you would simply point the guys to that same topic..., instead of writing again and again..)
http://discussions.apple.com/message.jspa?messageID=12294301#12294301
http://discussions.apple.com/message.jspa?messageID=12405190#12405190
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After looking around here, I found the reason.
And now, the auto-rotate is turned off on my cameras. (and I will try your Xee, to rotate before importing to iPhoto)
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What can I do, with my existing library?
Is there a way to reduce it? to get rid of all the rotated pictures? (could I delete the one in Original folder?
Only solution is to reimport all, in a new library ? (I can't imagine doing again all the events... even if it's only 7 months worth of pictures...)
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Thierry.

I don't know of any software to remove that tag. If you did and imported the files they would be displayed in the landscape orientation which is not how they were taken. So if you wanted to view them correctly you'd have to rotate them from within iPhoto thus creating a modified version and be back from where you started.
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