Well it looks like noone was able to guess the last WIT photo; a macro image of fine grain gunpowder! I’ve been ill lately, and still not quite over my bug yet, but I’m going to give this a try anyhow. All in the efforts to stump you guys, I’m plowing on to bring you even more challenging images to peruse for your guessing pleasure 
So here we are:
So power up those noggins, folks, and shoot some guesses my way!
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power connector for a PSP (playstation portable)
Exactly right! Very well done