You can search for images among your collections on the Search Images tab of the Select Image dialog.
Search for – Enter all or part of a filename to search against. Wildcards are automatically applied so that for example, entering "ec" will return an image named "vector.png".
Type – Select the type of image to search for, such as PNG, Bitmap, Cursor, etc.
Search in collections – Specifies the scope of the search by selecting or deselecting collections to search in.
The Clear button resets the search criteria to the default values.