Then procede to either the
Directory Mode1 form : The file(s) you have is/are stored in an publicly accessable area on an http or ftp server, which is constantly maintained by you, and is/are either compressed individually, or compressed in groups of three images which form a set (logo.sys, logow.sys and logos.sys), using a winzip compatible archive format.
Or the
Directory Mode2 form: The file(s) you have is/are stored on an http or ftp server, which is constantly maintained by you, but in some way violates one or more of the above conditions.