Anyone know any tips about getting rid of atleast some of the electronic sound?

Also anyone have tips to get ride of so much feedback if one decided to plug in a pedal before the gnx(on clean)?
electronic sound as in feedback:
turn the gain and/or amp volume (on the gnx) down a little


electronic sound as in the kinda thing the whammy makes:
i think thats just the way it is...

the second question...i have no clue. sorry.
My pedalboard is worth more than my car, but that doesn't say much for either.