OFPEC's policy is that all submissions must be in .zip format. (Please, no discussion on the merits of various compressions.) You can download winzip free from the web, or indeed winrar will do the job fine and you can download that too. Google will find them for you.
Camera scripting is in fact easier than using triggers, as well as giving much better results. Read snYpir's camera tutorial and then messiah's camera.sqs tutorial - you need both. (If you're not familiar with basic scripting techniques - which are very straightforward - you'll also need to take a look at snYpir's Friendly Intro to Code Snippets and Johan Gustafsson's Scripting Guide.) All inthe Editors Depot.