Hi all,
I've been interested and taking architecture shots for a while and have have a full LEE set for long exposure.
I've watched a few free Joel Tjintjelaar videos but not quite taken on how he and other photographers manage to get those long streaky clouds at just the right angle. If I set my camera up for the right composition, the clouds are either going the wrong direction or too slow to get a streaky effect such as I desire for.
Is anyone aware of tutorials of how to obtain such an effect in post process? I have seen a couple of brief tuts on stretching the sky layer out etc.
Any tips/links would be appreciated.

