Theme: Brooms ! The base idea was the witch flying broom, then I tried to figure what to do with a broom ... I'll add some new spells if I have time to.

Animate broom
Transmutation
Level: Brd 0, Sorc/Wiz 0
Components: V, S, F
Casting Time: Standard Action
Range: Touch
Target: One broom
Duration: 1 hour/level (D)
Saving Throw: No
Spell Resistance: No
The touched broom become animated, and will clean up the area. If the broom take any damage or is touched by any creature, the spell ends. The broom will not move farther than 30 feet from the point he has been animated.
This spell cannot animate a broom carried or worn by a creature.
Focus: A wood or darkwood non magical broom.

Flying broom
Transmutation
Level: Sorc/Wiz 4
Components: V, S, F
Casting Time: Standard Action
Range: Personal
Target: You
Duration: 10 min./level (D)
Saving Throw: No
Spell Resistance: No
You can fly by riding a specially prepared broom at a speed of 40 feet (30 feet if wearing medium or heavy armor, or if carrying a medium or heavy load) with good maneuverability. Flying on the broom requires no concentration, but you're considered riding it : you're subject to all Ride rules, but you can use Spellcraft score. Mounted combat and other mounted feats may be used.
The broom have hardness 5, and five times the caster level in HP (double this amount if it's a darkwood broom). If the broom is destructed, the spell ends.
Focus: The broom, which must be made with wood or darkwood. The prepartion is worth 1,000 gp plus the cost of the broom, and requires one full day of work.

Trampling broom
Transmutation
Level: Sor/Wiz 7
Components: V, S, M
Casting Time: Standard Action
Range: A broom
Target: Touch
Duration: 1 round/level (D)
Saving Throw: No
Spell Resistance: No
The touched broom become a gargantuan animated object. It acts immediately, on your turn and will attack your opponents to the best of its ability. It gains a +4 insight bonus on attacks and damage rolls versus Vermine. If destroyed by a physical mean, it will disappear and two Huge Animated brooms will appear. They gain a +2 insight bonus on attack and damage rolls versus Vermine.
Material component: A wood or darkwood non magical broom.

Annihilating broom
Transmutation
Level: Sor/Wiz 9
Components: V, S, M
b]Casting Time:[/b] Standard Action
Range: Touch
Target: One creature
Duration: Instantaneous (see text)
Saving Throw: Fortitude negates
Spell Resistance: No
This spell imbue a specially prepared broom with the Cosmic Power of the Creatures Thrash. The next creature touched by the end of the broom will be affected as if touched by an Annihilation sphere unless it makes a successful Fortitude saving throw. If the caster leave the broom or if it is destroyed before having touched a creature, the caster is affected by the effect and must make the saving throw or be annihilated.
Material component: A wood or darkwood non magical broom specially prepared with runes, which costs 1,000 gp and one full day of work.