sounds like what you want is to "align to grid", as stated, with
auto-arrange turned OFF.
do note however, that the grid can be changed, via rt-click desktop |
appearance | advanced | icon spaceing horiz. and vertical. [mine is set at
40 and 42 FWIW; this allows 15 columns by 13 rows of icons at 1280x1024;
Your Milage May Vary]
BUT (and here's your "problem") you wont see changes there affect the
desktop until you turn off the grid and then turn it back on! Then the
icons will re-snap to the new grid. Also, remember that hitting F5 when
the desktop has the focus will "refresh" it; this can be helpful if the
icons get messed up or you want to make sure things are clean.
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a very helpful thing to have is the desktop layout DLL. google for
"desktop layout", you'll find several sources. It'll add two rt-click
items to My Computer that are "save desktop layout" and "restore desktop
layout". It'll remember where you have painstakingly placed you icons, so
when they get munged up (often!) you can easily put then back.