A BENDIGO man who plied teenagers with drugs and alcohol and then filmed them having sex has been sentenced to six years in prison.Barry Loader, 45, also had sex with one of the teenagers.He was sentenced in the Geelong County Court this week.Police say Loader befriended several male and female teenagers and in November 2008 invited them to visit his Long Gully home.He supplied the teenagers with copious quantities of alcohol and cannabis, then filmed them having sex.Police said Loader stored the videos on his mobile phone for personal use.Loader also sexually assaulted one of the teenagers a number of times. She was 15.Police arrested Loader in January last year after one of his victims made a complaint.His mobile phone was seized and the pornographic videos were found.Loader pleaded guilty to various child-sex charges, including three counts of making child pornography, one count of possessing child pornography and four counts of sexual penetration of a child under 16.He was sentenced to six years in prison and must serve a minimum period of three years and six months.Because of time already spent in custody, Loader will be eligible for parole in two-and-a-half years.