Why not a fan??? I have used a bucket toilet for 8 years, everything goes in the bucket, #1,#2, toilet paper... any compostables. I use an axial fan (computer fan) a 10w solar panel, 1 marine battery, and an 1 1/2" pvc pipe for a vent. Its great.
 I also have a SunMar XL NE in another house also great.
 Bucket toilet = $50
 SunMar         = $1,200
 One is code approved, one is not.