Update on the new Ubon Ratchathani immigration office. Opened about a year ago inside a university complex. Went there today (Monday) at 10.30am to get a 30-day extension on my SETV. I didn't see a photo booth at the office, but I got six photos across the street from the university for 130THB. It was a short walk. I brought copies of my passport and visa page, but they made their own copies and had me sign them. The worker had me fill out the forms and that was it. No questions asked. Super quick.