Now there is not any particular Software needed for making a beautiful slide show in you tube
Now you can easily create beautiful slideshow with your desired pictures that stored in your computer or elsewhere ;For this just drag & drop the particular photos into you tube and you tube will automatically convert it to beautiful slide show with pan and Zoom effect
Follow the below steps to share a picture slide show on YouTube
1. Login to you tube and click the upload button
2. On the right side tab under create video section select photo slide show button
3. Here you can select your photos from your albums or other places in the google plus or orkut profile or you can select photos from your computer by clicking upload photos tab and show the destination or you can drag and drop photos here from any places of your computer.
4. Once the photos are in timeline editor , you can drag them around to rearrange their place in the video.
5. You can add a background music for this slide show through youtube.But you can’t add your own music files for this