Rapper Lil Scrappy -- the guy behind the 2006 hit "Money in the Bank" -- was arrested in Atlanta, Georgia earlier today for violating his probation ... TMZ has learned.
TMZ obtained photos of the 28-year-old rapper being taken into custody on the side of the road ... where he was handcuffed.
Scrappy -- real name Darryl Kevin Richardson II -- was booked at the DeKalb County Jail.
According to his booking sheet, he was listed at 5'10" and 185 lbs.
4:30 PM PT -- We've learned ... Scrappy is on probation stemming from a marijuana conviction in 2008.
He was sentenced to 5 years probation for the weed bust ... and was ordered to abstain from the use or possession of any alcoholic beverages or illegal drugs.
He was also ordered to complete an alcohol/drug education program and was ordered to perform 240 hours of community service.
According to official records ... at the time Scrappy was arrested for weed, he was also popped for carrying a concealed weapon, obstruction of officers and fighting. He was sentenced to 1 year probation for each of those offenses, but they ran concurrently.