I am using the image resize script found at: http://codewalkers.com/tutorials/42/1.html . However, rather than simply display the image after I resize it, I want to upload it to my webserver, preferrably with FTP (so that I don't have to worry about maximum file sizes). I tried using the ftp_put($ftp,$filename,$img,FTP_BINARY) thing, but the third parameter needs a string (the source filename), but I would be sending it a file (the resized image).

I think you'll need to write the file to the disk first. How is the image being stored? You might try writing it to a file using the image<type>() function, then FTPing that. If you were using PNG, you could do something like this: //create unique filename $imgName = date('hms') . rand(1, 1000); //output image ImagePng($img, "$imgName.png"); //upload with FTP ftp_put($ftp, $remoteFilename, $imgName, FTP_BINARY) Something like that work for you?