it always says this:stk500 timeout. 200ms I have a mega 2560 and a servo, an ultrasonic sensor, and two motors plus a breadboard.
PLS ANSWER AS SOON AS POSSIBBLE!!!!!!!!!!! :o :o :o :o :o :o :o :o :o 
Marking a post as "URGENT" doesn't work too well in here nor does the use of CAPS.
You didn't give much to go on so we don't even know if you are using the online editor.
There are posts at the top of most forum sections and I think it would be in your best interest to read some of those FIRST !