Hey,
Lately I have been having issues getting my external hard drive on my network to function correctly with my mac (OSX Leopard, 10.5.8). I am currently using a Linksys E4200 router with a Western Digital External Hard drive (1.5 TB) formated in FAT32 (I am 10000000% positive it is FAT32) as a hard drive on the network. I get onto the HD by connecting to the network (Finder -> Go -> Connect to Server) and login into the server (HD). It logs me in fine, and the HD shows up on the network (192.168.1.1 under the Shared pin on the left side of finder). I can read everything just fine and can execute anything that is on there. Anytime I attempt to write a file to the HD with Finder, I immediately get an error message saying,

"The Operation cannot be completed because you do not have sufficient privileges for some of the items."

Well, before clicking OK on the message, I checked to see if the file actually wrote to the HD through terminal. Lo and behold, the file has completely copied. The moment I click OK, it gets deleted. So, I attempt to copy the files using terminal. I fiddle around for a minute, and shazam, it works perfectly. It wrote correctly and the file is visible by everyone on the network. I need help to figure out why Finder is not allowing me to copy this. And as some added info, I just reinstalled OSX(to just get a clean wipe and to speed things up), so there should be no issues associated with long use of the mac. Any help will do

Thanks guys!