Tell your friend to get a body kit for a Camry, most will fit with a lil help, because the bodies are so similar on the 95-97.
You need to get a Haynes manual from your local auto supplies store, and then check around for the dimensions of a body kit that will fit your Avalon.
http://www.wholesalehyperperformance.com
http://www.importfan.com
http://www.extremedimensions.com
http://www.autodynamic.com/
http://www.performanceimprovements.com/
Go to these first!!!
http://www.erebunicorp.com/
http://www.rodmillenstore.com/
http://www.razzi.com/