Firstly, modifier tags can be combined like {CTRL}{ALT} that applies to the next key only. However, if you assign non-key combinations with modifier keys should use this template in XMBC.

{PRESS}{ALT}{MWUP}{WAITMS:100}{RELEASE}{ALT}

Which basically Press and holds Alt before releasing it 100 ms later.

Some fields directly modified by Logi Options agent app and XMBC cannot override them. You can check this by changing or disabling default tilt wheels from XMBC. However, you can use your simulated keys in green areas in Photoshop.

Not Logi Options but Logi Options+ have a feature for Photoshop Zoom in predefined apps, which basically returns Alt+Vertical Wheel. By this option, you can use zoom in every area of Photoshop window.

Firstly, modifier tags can be combined like CTRLALT that applies to the next key only. However, if you assign non-key combinations with modifier keys should use this template in XMBC.

{PRESS}{ALT}{MWUP}{WAITMS:100}{RELEASE}{ALT}

Which basically Press and holds Alt before releasing it 100 ms later.

Some fields are directly modified by Logi Options agent app and XMBC cannot override them. You can check this by changing or disabling the default tilt wheels from XMBC. However, you can use your simulated keys in green areas in Photoshop.

Not Logi Options but Logi Options+ has a feature for Photoshop Zoom in predefined apps, which basically returns Alt+Vertical Wheel. With this option, you can use Zoom in every area of the Photoshop window.