I'm trying to archive my iPhoto library onto a DVD. There was over 7.5GB in my library so I highlited several albums and copied them onto a DVD no problem. I checked the burned DVD and verified the albums when I put it back in and it copied them fine. The last folder I'm trying to download says it has 2.4GB of memory, but when I put in the blank DVD, it says I have over 4.7GB and the disk is full and won't let me download it. I erased all the photos I previously downloaded in the other albums, erased all the albums so the only thing remaining is the album I want to copy onto the DVD. I also deleted the trash and looked all over for a cache to delete but couldn't find one. Does anyone have any ideas why my iPhoto library would say I have 2.4 GB and the DVD burning says I'm trying to copy over 4.7 GB? Thank you.