My Lottery is a Weekly Lottery module. The module generates, displays and stores a random number on your Joomla website. The day of the week and minimum and maximum can be set as parameters. Installation and removal of the database footprint is also done via the module parameters. 

This mambot is coded from Custom Photo Puzzle at http://www.pageplugins.com/generators/puzzlemaker/. You can put this games into any Joomla content. You can changes any parameters you want in the first TAG {photopuzzle ...}. Mambot call: {photopuzzle parameters}Image_link{/photopuzzle}; Note: The images size should be 400x300 pixels. The details configuration is supported in the mambot configuration. 

This quiz extension allows you to give multiple choice quizzes and respond to each quiz with a "score script" that can include percentage correct and different responses depending on whether individual answers were correct, how many points were earned, and more.

It is rather more a raffle than a lottery extension and allows up to 5 answers to one question. You can define various raffles running until individual deadlines. Most of it ought to be selfexplaining. It comes with german and english language files. Help in further translations would be appreciated. Also the english version nedded some 'native' support. Download-page and lottery_readme.txt are only available in german at the time beeing. Work on an english version is in progress.