Fairies have wands and these can be as elaborate or as simple as you want it would normally depend on the age of the Fairy, the younger the fairy the more simple the wand (as it's more likely to be lost or broken). If you are making one, then a foil or ribbon covered stick with padded end to protect eyes etc, with an oversized star made from decorated card on the top. Decoration with plenty of glitter and sparkle. Add a few thin strips of ribbon under the star for that final finishing touch.
One of the greatest accessories for pirates is the gold foil chocolate coins that you can buy around Christmas. Cheap and cheerful, if it lasts long enough transfer it to a simple black cloth tie-neck purse and attach to the belt. Great for paying off the debts and also helpful if the buffet is a bit thin. Eye patches come in a variety of styles from simple black stiffened fabric to rhinestone encrusted for the glamorous look your choice will depend on the overall look you are trying to achieve.
With the recent blockbuster pirate themed films there has been a real explosion in the popularity of pirates as a party theme. The range of pirate costumes available is huge and many cover the two themes of pirates and Halloween... Pirate Bones is a classic example of a skeleton suit integrated with a pirate's costume.
It would be impossible to leave this topic without some discussion on the incredible advances in fancy dress costume wig design and affordability. For very little money you can now purchase a costume wig for almost any theme. For example, for pirates there are pirate's wigs, buccaneer's wigs, pirate wenches' blonde wigs, brown wigs, wigs with beads, wigs with hats attached, wigs with bandanas attached and this is before we look at moustaches and beards with beads, without beads the choice is truly amazing.
Makeup falls basically into two groups face paints which are water soluble greasepaint which will require a greasepaint remover. Greasepaint is the more traditional and is what is used in theatre etc. it can also be messy to wear if incorrectly applied. Face paint offers fantastic results and is more easily applied by the amateur. Both are normally available in kits so it is possible to buy a kit that covers one theme or a number of similar themes.
Hopefully this short article will have given you some ideas and shown you that no matter the costume or theme, it is the accessories that complete the outfit.