hello. i've got an osprey 70 42 cub. inch... i've got my trash compactor bag... so... the way i did it: it stuffed my tent on the bottem( sleeping bag has it' on bottom compartment) then i placed my trash bag in, on top of the tent ... then stuffed all my clothes in the trash bag and a few other things i don't want to get wet, then tied it off. put a few things on top of that..or do you just put your trash bag in and stuff every thing into it tent and all? realyy don't knoe the right wat to pack my pack, suggestions would be great.