These are the programs that are included in Ubuntu Studio. It’s possible to do a Google search on each of the programs to see if there are any tutorials available.

Audio

• Ardour – a hard disk recorder and digital audio workstation application
• Audacity – a digital audio editor application
• Hydrogen – an advanced drum machine
• JACK Audio Connection Kit – a sound server daemon that provides low latency connections between applications for both audio and MIDI data
• JAMin – the JACK Audio Connection Kit Audio Mastering interface
• LilyPond – a program for engraving sheet music
• Mixxx – a digital DJ-style mixing program
• MusE – a MIDI/Audio sequencer using JACK and ALSA
• Rosegarden – a digital audio workstation program
• TiMidity++ – a software synthesizer that is able to convert from MIDI to various formats

Video

• PiTiVi – a video editing program
• Kino – a non-linear digital video editor
• Stopmotion – a stop-motion animation movie creator
• VLC media player – a free software media player

Graphics

• Agave – a color scheme generator
• Blender – a 3D animation program
• Enblend – an image compositing program
• FontForge – a typeface (font) editor program
• GIMP – a raster graphics editor used as an alternative for Adobe Photoshop
• Inkscape – a vector graphics editor
• Scribus – a desktop publishing application
• Synfig – a 2D vector graphics and timeline-based animation program

(Source: http://en.wikipedia.org/wiki/Ubuntu_Studio)

http://www.ubustu.com : This is a fairly helpful blog on Ubuntu Studio news and tutorials. http://www.youtube.com/watch?v=vVy_EDDe_-0&feature=related : This is a YouTube tutorial on Gimp that gives the basics on manipulating photographs.