Just add more custom profiles, and modify the getinfo templates so that the layout is different. Make all these custom profile fields hidden so they won't show up as a list in the normal getinfo custom profile list. Then just put the custom profile variables with the correct field numbers in the right place in getinfo. Make one of the custom profile a place where members can put in the URL to an image of their car, and in the appropriate place in the getinfo template, point the img src tag to that custom profile field variable. You can approximately get a similar result without hacking by just modifying the template.