1: Yes, glue them in flush with the upper surface of the aileron.

2: Do you have the manual for the TX? If not, here is the link: http://h1070250.hobbyshopnow.com/Pro...eli_Manual.pdf

I have a JR 378 transmitter, which was later replaced with your XPS7202. Programming is very similar. Here is what I do. This is generally covered in the manual, starting on PG 55. I haven't used my TX for anything but a simulator for several years and haven't programmed it since before then, so this is from memory.

Plug in the right elevator servo to the ELE slot on the RX. Plug in the left elevator servo to the AUX2 slot. Set up a programmable mix Mix #5 or Mix #6, as they both allow the trim function to work.

Set ELE as the Master, and AUX2 as the Slave. Set the rates to 100%, Set the SW to "ON", and inhibit the AUX 2 input in the Input Select function. OFFSET is used to modify the center position of the SLAVE channel (left elevator in this example). This way you don't need to mess with the sub-trims. Then as I recall I go back to the REVERSE page to set the direction of travel, go to DR/EXP to set up the rates.

I try to keep the "travel adjust" set to 100% and manually adjust the throws at the pushrods. That TX doesn't allow you to adjust the travel for AUX2. It CAN be done using a second mix, but I can't explain that without looking at my TX.

Does that help? I think you will love the plane. It flies great!