How to make altlvds_tx 7:1 LVDS serializer on Cyclone 2 / Cyclone 4E

I need to connect Cyclone 2 (I also have Cyclone 4 if it's easier) to LCD panel, which uses LVDS interface (aka FlatLink). What I need to do is serialize 28 bit (plus clock) into 4 LVDS channels (plu...