Can i have new Conversion from a media when in want used

[sdfarshid]

I want to create. new Conversion after media store.
let some example
I store a media with "thum" Conversion ( 100*100 )
for another place on my website, I need this image with size. "thum-2" 200 *200
so I want to create this size of the image immediately at the view or in the controller