This is ABSOLUTELY NOT NECESSARY! In addition to removing the inviting story your Flash tells so perfectly, you are throwing money down the drain to have it redone. There is a simple fix. Just ask your programmer to lay a flat image under the Flash component so that hand held Mobile devices and Google Instant Preview has an image to display in place of the Flash.
Also note that Google is indicating they are working on being able to capture these "Rich Components" on Google Instant Preview. See their quote below.
and proof that this simple fix works!
President and Co-Founder
Educating our Industry one Client at a Time!