Adobe In-Design Templates?

Im really trying to make my job easier, and edit pre-existing free templates for some yearbook projects im a part of, but I cant seem to find any USEFUL and decent pre-existing templates, so If anyone would kindly help I would really appreciate that!

I actually need to find templates for/related the following themes ::

FULL PAGE - dividers, sports

Any kind of interesting color splashes and tech lines with boxes for pictures. . etc etc