http://i33.*******.com/20b1w0y.gif
Power Badge
Fighting
Based on the POW! symbol you posted.
http://i38.*******.com/fzbvib.gif
Combustion Badge
Fire
Based on an industrial oven.
http://i38.*******.com/20s7ux0.gif
Crop Badge
Grass
A stylized wheat ear.
http://i36.*******.com/i41dv4.gif
Wyvern Badge
Dragon
Looks more like a lindworm, I know.
http://i34.*******.com/2e6ahra.gif
Frozen Badge
Ice
A simple Snowflake, remiscent of Johto's Glacier Badge.
http://i33.*******.com/2po48kn.gif
Motor Badge
Ghost/Electro
A stylized Rotom.
http://i36.*******.com/dgh1eu.gif
Shadow Badge
Dark
A menacing human shadow.
http://i38.*******.com/n4zles.gif
Terrain Badge
Ground
A geographical cross-section.