I have to create a tv commercial for Red Lobster but I don't have any ideas how to do it. Plus I need some tips on how to make a tv advertisement
If you have a Red Lobster near you, your first "task" is to go there for a meal. You should be able to get a lot of ideas then.
This site has tips on making tv commercials.
http://advertising.about.com/od/televisionandradio/a/commercialmusts.htm