Need a part

I've got a vivitar 3755 and I need the incert that excepts the tripod screw mine snap in the camera durring a photo sesion in some cold weather!

secondly I tried to take a picture of the name plate on my tractor [attemp
was made] the camera has 3.2 mp 10x opticl zoom 4x ditigal zoom
I've tried the focus setting marco I've tried to use 1meter setting and zooming ih and out I just can't get the black type on the white label
tobecome in focus ritz camera told me I don't have enough camera [pixels] he told me I should have an 8+ pizel or better and a warrenty plain witch would put into aburt 5 hundred dollars worth new camera