One of my first...

One of my first edits, still getting the hang of this 
Maule on a snowy day:

C&C Welcome, be kind
For anyone who cares, the origional is here: http://www.simviation.com/yabbuploads/orig12356.jpg
Also, I'm looking to do a composite, but the aircraft always has "jaggies" when cut out... Is there anything explaining how to avoid this? Or is there a certain filter I should use?
Regards,
Neil 8-)

Maule on a snowy day:

C&C Welcome, be kind

For anyone who cares, the origional is here: http://www.simviation.com/yabbuploads/orig12356.jpg
Also, I'm looking to do a composite, but the aircraft always has "jaggies" when cut out... Is there anything explaining how to avoid this? Or is there a certain filter I should use?
Regards,
Neil 8-)