when I restore from an image file using Macrium reflect the dialog comes up attempting trim successful. It would appear that at least Macrium reflects does trim during restore.
I have done several restores from image files and each and every time trim has come up and said successful. When your system is working have you checked for trim functionality? http://www.ghacks.net/2010/09/14/verify-that-trim-is-enabled-in-windows-7/
Does your particular SSD support trim? I am using the free version of Macrium reflect.
here is list of Macrium reflect features it states that trim for ssds is supported. Have you upgraded to the latest version of Reflect? http://www.macrium.com/reflectfree.aspx