Sizzle is a tremendously cool program for creating DVDs and DVD menus. Many thanks to the author, Henry Mason.
In Sizzle 0.5.0b1, for the menu creation, you can only fit about eight total buttons per menu, because each new button appears above the last and they quickly run off the top of the window. There's a pretty quick fix if you download the source code. The author is aware of this problem and I'm sure it will be fixed, so this post is for the impatient and hopefully so peple don't bother him about it as much.
Open Sizzle.pbproj (you will need to have the Developer Tools installed). In the Find Menu, search the project for "buttonShift," then double-click the last entry called "[newMenuButton...". In the file that opens, simply remove the following text (and nothing else): "+buttonShift", and save the file.
Lastly, you'll need to compile the program, but for some reason on my system it was looking for the source code in a specific location, so I just moved the "Sizzle 0.5-src" directory to that location. I made a symlink in the /Users/ directory called hmason that pointed to my login, in the terminal type ln -s /Users/yourLoginName /Users/hmason. The location was /Users/hmason/Projects/Sizzle 0.5-src/
Click the icon of the hammer to compile the program. If there were any errors, you can view them in the "Errors and Warnings" section of that main Xcode (or Project Builder, perhaps?) window. There shouldn't be any except related to the path to the source directory.
When you're adding new buttons in Sizzle after this, just make sure you move the button from it's default location before you add a new one because they'll all appear in the same starting location.
Good luck.
Mac OS X Hints
http://hints.macworld.com/article.php?story=20031212221034946