alcina:If we're talking uw photo, skip the cotton buds. Those are just begging to leave one teeny fibre on your kit. Check out the sponge tipped applicators used for makeup and the like. Cheap, variety of sizes and shapes and don't leave lint.
I'm pretty minimalist when I travel so don't have much more to add.
Maybe a powerboard.
Sorry to ask: What is a powerboard??
Thanks!
Jacques