There is no automatic way to convert a dvd menu to svcd using dvd2svcd. There are a few threads in this forum explaining how to achieve it manually, and RadicalEd has written a guide describing one possible way ... .
There are other sources you can read :) You may have to search this forum a bit to obtain more info about making non-animated or animated menu. There's other threads discussing of how to create animated menu with AviSynth or Adobe Premiere as well. Good Luck!