Question #2
What is a good software program for editing photos and making graphics if I don’t have the money for the full edition of Photoshop on Mac? Answer: I recommend Adobe Photoshop Elements for Mac. This will give you many of the features but at a much affordable price. Here is the info for that -
Question#1 How do I convert my video to another format on Apple Mac book Pro?
Answer: Tanbee Video Converter for Mac is super Total Video Converter for Mac. (http://www.tanbee.com/video-converter-for-mac/) This Mac Video Converter can 
convert between all popular video and audio formats with fast conversion speed and high output quality on Apple Mac, such as AVI, MP4, MOV, MKV, WMV, MPEG, 3GP, VOB and HD Video(MOD, TOD, MTS, M2TS), MP3, AAC, and AC3 Audio etc. In addition, the program also supports audio extraction and audio to audio conversion, like MP3, MP2, MKA, M4A, AAC, AC3, etc. This Mac Video Converter works perfectly with almost all the popular digital players, such as iPad, iPhone, iPod touch, iPod nano, iPod classic, Apple TV, Zune, Creative Zen Vision, Archos, iRiver, PSP, BlackBerry, Mobile Phone. Convert videos for Apple software like QuickTime, iMovie, Final Cut Pro, iDVD, iTunes, etc. to have a wonderful digital experience. It is perfectly compatible with Mac OS X 10.6 Snow Leopard.
Below is a video “how to” for a program named handbrake.fr recommended by Dr. Buddy Bell. the link to get this is http://www.handbrake.fr/ NOTE: This is a MAC only application.
I use Handbrake.fr to convert videos and it’s free.