What paint or pen do you use to write on wood?

There are two methods you can use. You can strip it by sanding it, which is fairly labor intensive. Start with a low-grit sandpaper and work your way up towards...

Pressure-treated wood can be painted, stained, or primed only once it has dried out. If it is still drying, the paint will peel and not stick to it. You can...

Use ONLY tinting spray. Enamel based spray paints will not allow light to pass through and will destroy the lens of your light.

You favorite pen. I personally enjoy a very inky blue ball point pen, but really, it depends on your personal preference.

Either is fine, but if you use oil paint it will give your picture more texture than if you use acrylic.

Valspar is a very good paint brand. They also have sealers and majestic colors.

Boot up a Ubuntu live CD install and go into try without installing, then when it has started up, go to parted, find the partition with Ubuntu on it and...

Use a furniture refinisher to dissolve the stain and scrub it away with a bit of steel wool. Although it still involves some scrubbing, this approach is less damaging to...

No. If you put the mug in the dishwasher, there is a high probability the paint will come off.

You can use acrylic but you will not get the best results. The acrylic paint will harden the shirt and likely come off in the wash.