I have not played with this stuff in quite a while, but I will give you some examples that have worked in the past. You have to be careful and work these up in firearms in GOOD and SAFE condition. You also have to be AWARE of the consequences of each shot BEFORE you fire a second.
38 brass, 2 grains of bullseye, foam wad (cut these out of the foam trays you get in the meat department at the store. I made my cutter with deprimed 357 brass with nail thru primer hole from inside. cut about 4 and use the head of the nail to push the wads out of the case.) .360 round ball. I have used less powder, and also added balls. Use the wad to hold the small amount of powder in place. It disintegrates on firing where vegetable type wads do not.
I have a load worked up I call my triple shot. Three fifty grain .356 bullets stacked. At 25 yards, it makes a nice 2" group. However, they will not completely penetrate a 2x4. Makes for a nasty wound but will not go thru the wall and retain enough power to hurt one of the neighbors. These are specially made bullets that actually flatten on impact. When stacked they look almost like a wadcutter bullet.
Another thing I have used for varmints in close is 38 brass, magnum primer, and wax bullet shot from a revolver with 2" barrel.. I size and prime my brass. Then I stick the brass into a bar of parafin. The brass case cuts out a nice cylinder of wax and the wax stays in the case. At 20-30 feet, they make a good thumpping round. My dad had a few crows and hawks messing with his bird feeders. After they got bruised a few times by wax bullets, they quit coming in to the feeders. Didn't kill these bigger birds, but does make a little pop and projectile smacks them hard enough to probably leave a bruise.
sixgunner.com is not working right now. Paco Kelly had a few light loads listed in his articles. Most of my stuff came from reading articles from people like Paco Kelly, Elmer Keith. etc.
Good luck, but stay safe. DO NOT STICK A BULLET IN THE BARREL!!
Steve