any quick way to replace photos with larger photos

I want to up load about 100 larger images for photos that were already uploaded and keywords were entered (so I do not want to delete the old records.)
Is there a way to do this quickly?

Should I upload the photos and replace the originals using FTP to g2dataxxx/albums/albumname? I can see that the table Photoitem appears to have the photo sizes. Should I change those sizes to get the bigger size photos to be allowed?

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A government big enough to give you everything you
want, is strong enough to take everything you have.
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I have (successfully) batch-uploaded a couple of thousand files over their namesakes in the g2data/albums structure without problems. But the replacements were the same sizes exactly as the old files.

You *ought* to be able to ftp over the old files, and change the file sizes in the PhotoItem table. Flush the database cache after. (At least, that was my conclusion last time I investigated.) You may have some transient problems with cached versions too. Try for half a dozen files first, then explore for problems.