Build First Course Module

I have the slide deck (12 slides) and the written narration ready for the opening module of my twelve-part online course. All I need now is a polished, learner-friendly package that pairs the audio voice-over with the slides... (Budget: $250 - $750 USD, Jobs: Audio Editing, Audio Services, eLearning, Instructional Design, Music, Video Editing, Video Services, Voice Talent)