Default OwnCloud thoumbnail in MyGallery

is there any application that can create a thumbnail of an ownCloud folder?
OR
is there a way to add an OwnCloud account to the Android default Gallery?
Samsung Galaxy S4 LTE - Stock, rooted KK 4.4.2
Samsung Galaxy S3 - rooted, S4 Revolution 40.0
Samsung Galaxy Tab 10.1 - rooted, Omni ROM
Xperia Arc S - rooted, AORP 4.4.2
Huawei P1 - rooted, RootBox ROM, JB 4.2.2
Desire HD - rooted, VenomROM - retired to pension/backup phone