1. Search the event hashtag on social media: Many concert attendees share their photos and videos from events on social media using the concert's specific hashtag. Look for the official event hashtag (for example, "#JonasBrothers2009") on platforms like Instagram, Twitter, and Facebook, and you might find pictures from the meet and greet sessions.
2. Check fan communities and forums: There are fan communities and forums dedicated to the Jonas Brothers and their events. Places like their subreddit or specific Jonas Brothers fan forums may have threads showcasing pictures from concert meet and greets that have been submitted by participating fans.
3. Visit Jonas Brothers fan pages: You can try searching social media or the web for specific Jonas Brothers fan pages or blogs. Such pages are sometimes run by dedicated fans who collect and share various pieces of information about the Jonas Brothers, including photos from their events. Some fansites might contain albums or photo galleries featuring meet and greet pictures.
4. Contact the concert organizer: Reach out to the concert organizer or promotional company responsible for managing the event and inquire about the availability of meet and greet pictures. They might assist you by providing or directing you to where you can access those photos.
Remember, the availability and accessibility of photos may vary, especially after a considerable amount of time since the event. Your chances of finding pictures highly depend on whether fans or official sources (if applicable) still maintain an online space showcasing such content. Good luck in your search!