I feel for you! It's awful losing your photos. You need to find someone with a caddy or Pata or Sata to USB adapter. Your particular drive could be either as that model is available in Pata or Sata, HDT722525DLAT80 or HDT722516DLAT8 are Parallel ATA
HDT722525DLA380 or HDT722516DLA380 are Serial ATA, so I don't know which you have
mount the drive on the appropriate adapter or caddy. If you can recognise the drive it may be that your partition and files will be visible, if you can recognise some sort of partition but your files are not there you can then run data recovery software on the drive to try to get your files back. I know this sounds crude but it may well be that the drive is stuck, and a brief mechanical tap as you connect the drive to the power can sometimes free it up long enough to get the files off. Try to ascertain if it's spinning, only try the mechanical shock if it isn't spinning after connection to the power
look here
http://free-backup.info/data-recovery-software.htm
for data recovery software or just google free data recovery software. Sorry I can't be of more help.