Soundtrack help for a nonprofit promotional video?

helping out a friend who’s making a video for a non-profit as a school project. she sited this video as one with music she liked and wanted to find more like it: http://www.hmsr.org/cubscoutvideo.htm
any suggestions as to where to look for more tunes like this or good uplifting musical suggestions for a promotional vid about a camp kids with disabilities would help.
ps since this is just a school project the music does not have to be originally scored and she does not need the rights so all suggestions work