sigmaking

I've tried again after my last avatar/sig set failing miserably... I hope this one is better, I've tried for a background (Usually, mine are just colours), I've got hold of better images (and altered them with more care) and I've got a border! I'd like to thank everyone who's ever commented...

I'm not quite sure that this is the correct place to be asking this, since it's both a help thread and a signature thread. That being the case, feel free to move it accordingly. The question: In Photoshop, when I attempt to trim down an image (typically JPEG) that I want to insert onto a...