A composite film useful as an image-support film, comprising: a first layer comprising a thermoplastic polymer, the first layer optionally further comprising a whitening agent selected from the group consisting of titanium dioxide, barium sulfate, clay, calcium carbonate, zinc sulfide, magnesium carbonate, talc, and kaolin; a second layer comprising a thermoplastic polymer and a whitening agent selected from the group consisting of titanium dioxide, barium sulfate, clay, calcium carbonate, zinc sulfide, magnesium carbonate, talc, and kaolin; a third layer comprising a thermoplastic polymer and a cavitating agent, wherein the cavitating agent is selected from the group consisting of organic cavitating agents, beta-nucleating agents, and inorganic cavitating agents, wherein the organic cavitating agent is selected from the group consisting of nylon and polyester and wherein the inorganic cavitating agent is selected from the group consisting of calcium carbonate, barium carbonate, clay, talc, silica, mica, and mixtures thereof, and wherein the third layer is a cavitated layer; and a fourth layer comprising a thermoplastic polymer and a whitening agent selected from the group consisting of titanium dioxide, barium sulfate, clay, calcium carbonate, zinc sulfide, magnesium carbonate, talc, and kaolin, wherein the second layer is between the first layer and the third layer, and the fourth layer is on a side of the third layer opposite from the second layer, wherein the first layer is an outer layer of the composite film, and wherein said outer layer has less of the whitening agent than the second layer; characterized in that: the second layer comprises from 15 wt% up to 60 wt% of the whitening agent, based upon a total weight of the second layer. a first layer comprising a thermoplastic polymer, the first layer optionally further comprising a whitening agent selected from the group consisting of titanium dioxide, barium sulfate, clay, calcium carbonate, zinc sulfide, magnesium carbonate, talc, and kaolin; a second layer comprising a thermoplastic polymer and a whitening agent selected from the group consisting of titanium dioxide, barium sulfate, clay, calcium carbonate, zinc sulfide, magnesium carbonate, talc, and kaolin; a third layer comprising a thermoplastic polymer and a cavitating agent, wherein the cavitating agent is selected from the group consisting of organic cavitating agents, beta-nucleating agents, and inorganic cavitating agents, wherein the organic cavitating agent is selected from the group consisting of nylon and polyester and wherein the inorganic cavitating agent is selected from the group consisting of calcium carbonate, barium carbonate, clay, talc, silica, mica, and mixtures thereof, and wherein the third layer is a cavitated layer; and a fourth layer comprising a thermoplastic polymer and a whitening agent selected from the group consisting of titanium dioxide, barium sulfate, clay, calcium carbonate, zinc sulfide, magnesium carbonate, talc, and kaolin, wherein the second layer is between the first layer and the third layer, and the fourth layer is on a side of the third layer opposite from the second layer, wherein the first layer is an outer layer of the composite film, and wherein said outer layer has less of the whitening agent than the second layer; characterized in that: the second layer comprises from 15 wt% up to 60 wt% of the whitening agent, based upon a total weight of the second layer.