Please be sure that you are using the newest version of Video Edit Magic.
To create the effect you describe:
1. Add the video to Video Track 1.
2. Add the still image to Video Track 2.
3. Move the still image to correct position, so it will start at the right time.
4. Drag the right edge of the still image's rectangle on the Timeline, so it ends at the right time.
5. Drag a Wipe effect from the Collection to the Transition Track.
6. When the Properties window opens, adjust the Wipe to look the way you prefer. Click OK.
7. If necessary, reposition the Wipe so that it starts at the same time as the image's appearance.
8. Drag another Wipe effect, set its properties, and be sure that you check the Swap Video Tracks For This Transition checkbox. Position it so that it ends at the exact time that the image disappears.
9. Preview the Timeline. You'll see the image transition in, and then transition smoothly out.