Did you use FileZilla to change the permissions of the webassist and gallery folders to 755 and select the option to recurse through all files and folders under them>
In filezilla right click on the webassist directory, and select the Set Permissions option, set the permsions to 755, check the box to recurse thorough all files and folders under neath it, do the same for the gallery folder.
Dreamweaver wont give you the option to recurse through all the files and folders.
filezilla is a free ftp program that can be downloaded here:
filezilla-project.org/
