Do you know there are hundreds of additional tasks, tools, and components for SSIS, many which are free? Why re-invent the wheel? Take a look at this exhaustive list created by Todd McDermid on CodePlex: SSIS Community Tasks and Components. It is split into the following categories:
Chances are you will find something useful right away. At the very least, if you read this list then next time you are developing an SSIS package you might remember a task that will come in handy.