well guys since this is my first post i just wanna thank anyone in advance if they can help or give me any type of suggestions 
in anutshell
i wanna be able to flash via avr on the fly
hardware i plan to use:
arduino uno R3
this lcd with micro sd combo which seems perfect for what i wanna do
i wanna be able to make a menu that i can navi through example different folders on a sd card then load and flash any hex from a sd card to a attiny45 via soic clip using the provided header on the arduino itself
any help and suggestions are welcome i must admit im a bit of a noob to arduino but im quick to learn and this idea will cut down my time of certain projects plus no need to lug around my alienware