How to show image dynamically in crystal report

There is a formula in the "format graphic" dialog where you can set the image path. So you could use a discrete parameter or a datafield to set the value

Please check below link 

http://www.codeproject.com/Articles/30860/How-to-dynamically-load-images-in-Crystal-Reports

You just have to add a parameter  to your SQL stored procedure  then in crystal report you have to add a formula for EX: if you want to show it or suppress it depending on certain condition you can use this formula

if {data filed} [condition] {parameter} then true else false

Read the image in byte[] array and dynamically convert it into the image.