A Bethel-based nonprofit is hosting a fundraiser this weekend to benefit a New Milford boy with a cancerous brain tumor.  The Scotty Fund is teaming up with Training for Warriors for a clinic on Saturday at Gymnastics Revolution in Danbury from 2 to 4pm.  After a sprinting clinic, attendees can use the facility's ninja course.  Organizers hope to raise $2,000 for 13-year old Tim Larson with a suggested donation of $25.