I have also accepted that I am not good at designing but I will not accept that I cannot get good at it.
In the last couple of months I've come along decently (working in the few spare hours I have!). I recommend that you narrow down to ONE package, IE Photoshop, and then start doing online tutorials.
There is a wonderful collection available to start with, my favorite place are the *tuts.com sites. psdtuts.com or nettuts.com