As a fanartist (yup, I will keep telling myself that) it's beyond annoying when you can't get the screencaps you need so I am uploaded the caps from SCP for use here.
screencap
buffy the vampire slayer
welcome to the hellmouth
season one
screencap paradise
This Buffy the Vampire Slayer screencap might contain
holding cell, penal institution, penal facility, jail, jailhouse, gaol, clink, slammer, poky, and pokey.