I have tried and now tiered to know about crystal report uses with asp.net and also about deployment process on IIS7.
At last i have decided to show you a simple way step by step.
For asp.net application with crystal report
> install SAP Crystal Reports, Version for Visual Studio .NET
follow the following any link
SAP Crystal Reports, version for Visual Studio 2010 – Standard
You will see all related link at http://www.businessobjects.com/jump/xi/crvs2010/us2_default.asp
Some useful learning resources: