Need some help in the late stages...(bubble play)

[vega-ace]

Ok..So i would like to think that ive gotten a pretty good grip on this but i keep getting busted. If i survive the first few stages of an mtt (and i do more often than not). i always end up busting out just outside the bubble. my stacks are always either above average or close to the top. seems like i always make the right plays but i run into some ass calling all in with bottom pair and catches runner runner flush cards. i opt to use my all in when appropriate. i play a solid 2.5 to 5 times the big blind game depending on position and it almost always gets me down to the bubble but i just cant get over the hill. any suggestions?
well i guess what im asking is should you still play aggressive or should you shift gears and play more passive at this point? i feel like if you back off on the bubble you throw away precious opportunities to put urself in a better position if you do make the final table. im def nowhere near as experienced as most of the members on hear but im definetly open to any and all suggestions.