pf load balance rapidshare problem

[sukaca]

dear all.
at the moment i used pf load balancing with 4 adsl connections.
everything work as i expected.
but the problem is whan i open rapidshare download with ticket.
as  i known.rapidshare ticket is check ip connection.and i always got
invalid session.

is there another way to make my ip established with.
or another way yo make it is possible.

thanks for reading

vicky