It's a great idea, I believe it firmly. But there's a bit of irony here. I'm neither particularly creative, nor crafty. Kind of been a handy excuse to not practise what I preach.
Technology, of course, is making this a bit more difficult. Ideas and tutorials abound on websites, so being able to find a project to suit your style, your time and your level of expertise is quite likely. From gift tags to enhancing your holiday decor there are a variety of DIYs you can work on, with step by step assistance online, that will put the personal touch on your Christmas.
Being hands-on these days needn't mean you have to be handy with a glue gun either. Creating unique and fun projects with Photoshop is another great option. Here are just a few sites I found to guide you step by step on your way to putting your personal touch on Christmas:
Smashing Magazine 60 Christmas Photoshop Tutorials
eHow Tech Photoshop Christmas Text Effects
PSDFanExtra Frantastically Festive Photoshop Tutorials