How to put the PNG form LOGO into the picture?

With photoshop to open the LOGO file and your picture file, and then use the mouse to click on the LOGO file, and then click on the file inside the LOGO graphic right-click on the mouse to select the layer, the left mouse button to click and hold the LOGO pattern directly dragged to your picture file inside can be! Then point to the top left of the PS file Save As format selection JPEG you want is this! Pro! Go~